Use a proportion to solve the problem.If a computer prints 162 lines in 5 seconds, how many lines can it print per minute?
A. 972 lines
B. 1954 lines
C. 1949 lines
D. 1944 lines
Answer: D
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Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.(-8x2y)(-7x3y5)
A. -56x5y5 B. -15x5y5 C. 56x6y5 D. 56x5y6
Find the date due and the maturity value. Use banker's interest.
A. Date Due: September 18 Maturity value: $9,359.43 B. Date due: September 18 Maturity value: $9,538.02 C. Date Due: September 19 Maturity value: $9,899.22 D. Date Due: September 18 Maturity value: $9,432.62
Find the coordinates of (a) the vertex and (b) the x-intercepts of the given quadratic function to the nearest hundredth.f(x) = 
x2 + 3.35x - 
A. (a) (-0.61, -4.37) (b) (2.57, 0), (-2.57, 0) B. (a) (-0.70, -3.75) (b) (-1.95, 0), (0.55, 0) C. (a) (-0.70, -2.57) (b) (1.68, 0), (-1.29, 0) D. (a) (-7.80, -2.57) (b) There are no x-intercepts.
Find the area of the surface obtained by rotating the curve about the x-axis.
