1 Simplify the expression (x+3y-5z)-(x-2y+42) Classify the answer...

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1 Simplify the expression (x+3y-5z)-(x-2y+42) Classify the answer by number of terms and degree. (choose best answer) 1st-degree monomial 1st -degree binomial 1st-degre trinomial 2nd degree binomial 2nd degree trinomial 2. Simplify the expression. 3(x-1)-2(x2+4x+5)-5(x+7) Classify the answer by number of terms and degree (choose best answer) 1st degree monomial 1st degree binomial 1st t-degree trinomial 2nd degree binomial 2nd degree trinomia 3 Simplify the expression. (3x- 1)(x²+4x- 3) 4. Simplify the expression. (x 4)(2x 5). 1)(x 6) 5. fopsible, completely factor the expression. (If the expression is not factor able, enter NF.) x2 -2x-3 6. Completely factor the expression. 10x+ 16 7. Factor the expression byusing areas x2+x-42 8 Let x=2 andy= 3. Find the value of the given capital letter. N=x²+ 2xy 1 N= 9 Suppose that spreadsheet contains the following values 6, -4,2, (cell A, E C,D) Determine the value of cell El ifi contains the following formulas (a) A1+B1 E1 = (b)+2*A1+5*B1 E1 = 5*B1) E1 = (d)+A1+ D1 or @sum(A1 D1) E1 = 10. Solveth equations. (a)2D+5=9 D= (b)28E-7=0 E= 11. Solve the equations. (a) 3L/4=4 L= (b)3=2M/3+9 M= 12. Solve the equation 3(W+2)-4(W+4)=0 w= 13 Solve the equation (Enter your answers as comma separated list. If there is norealsolution, enter NO REAL SOLUTION.) X²-14x+42=0 x= 14. Young's Rule for calculating child's dosage for medication is CHILD'S DOSE = AGE OF CHILD/AGE OF CHILD 12 ADULT DOSE. (a) If an adult's dose of a particular medication is 100mg, what the dose for 6 i-year old child? (Round your answer to one decimal place.) mg (b) If a 12-year old child's dose of particular medication is 15 mg, what is the adult's dose? mg

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