Simplify the product.5(4m + 9)
A. 20m + 9
B. 4m + 45
C. 20m + 45
D. 180m
Answer: C
Mathematics
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Approximate the area under the curve using 10 inscribed rectangles and then using 10 circumscribed rectangles. Also find the exact area under the curve.y = 2x between x = 0 and x = 5
What will be an ideal response?
Mathematics
A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given. Round to the nearest hundredth when necessary.d = rt; t = 5, d = 35
A. r = 30 B. r = 7 C. d = 7 D. r = 40
Mathematics
Solve the system of linear equations. x - 7y = -14-7x - 7y = 42
A. (-6, 0) B. (7, 0) C. No solution D. (-7, 1)
Mathematics
Solve the equation.
= 5.1
A. n = 10.2
B. n = 
C. n = 7.1
D. n = 
Mathematics