Solve the problem.One number is 3 less than a second number. Twice the second number is 18 less than 5 times the first. Find the two numbers.
A. -11 and -8
B. 8 and 11
C. 7 and 10
D. 9 and 12
Answer: B
Mathematics
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Find the derivative of the function.r = 
A. r ' = - 
B. r ' = 
C. r ' = 
D. r ' = 
Mathematics
Solve.Find the midpoint of the line segment formed by joining the points P1 = (9, 0) and P2 = (-4, 5).
A. 
B. (5, 5)
C. (13, -5)
D. 
Mathematics
Find the area of the square.
A. 144 sq cm B. 288 sq cm C. 139 sq cm D. 48 sq cm
Mathematics
Write the opposite of the polynomial.-5x3 + 5x2 + 5x - 4
A. -5x3 + 5x2 + 5x + 4 B. 5x3 - 5x2 - 5x + 4 C. 5x3 + 5x2 + 5x - 4 D. -5x3 - 5x2 - 5x - 4
Mathematics