Simplify by combining like terms. Write the final answer with descending powers.7x2 - 13x + 12 - 3x2 - 11x + 20
A. 4x2 + 24x + 32
B. 4x2 - 24x - 8
C. 4x2 - 24x + 32
D. 4x2 - 10x - 8
Answer: C
Mathematics
You might also like to view...
Young's Rule for calculating the pediatric dosage, p, of medication is p = 
where a = the age of the child and A = the usual adult dosage. If the usual adult dosage is 5 mL, find the correct dosage for an eight year old child.
A. 2.4 mL B. 4 mL C. 5 mL D. 2 mL
Mathematics
Solve the problem.Find the value of x if the distance between the two points (x, -4) and 
is 5.
A. -7, 17
B. -12 + 
, -12 - 
C. -12 + 
, -12 - 
D. -9, -15
Mathematics
Find the square root.
A. 24 B. 7 C. Not a real number D. -7
Mathematics
Use the given values of the variable to make a vertical table of solutions for the equation.y = 2x, x = -4, 0, 4, 8
A. 
B. 
C. 
D. 
Mathematics