Decide if the function is linear.y = 4x + 9
A. Yes
B. No
Answer: A
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Factor the binomial that is a difference of squares. If prime, so state.49x2 - 16
A. (7x + 4)(7x - 4) B. (7x + 4)2 C. prime D. (7x - 4)2
Perform the conversion. Round to the nearest hundredth when necessary.13 in. to cm
A. 1.08 cm B. 156 cm C. 5.12 cm D. 33.02 cm
Write a system of equations to describe the problem situation. It is not necessary to solve the problem. Larry has 26 nickels and quarters. He has $2.20 altogether. He has x nickels and y quarters.
A) x - y = 26, 0.10y + 0.25x = 2.20 B) x + y = 26, 0.10x + 0.25y = 2.20 C) x - y = 26, 0.05x + 0.25y = 2.20 D) x + y = 26, 0.05y + 0.25x = 2.20 E) x = 26 - y, 0.05x + 0.25y = 2.20
A bank has two automatic tellers at its main office and two at each of its three branches. The number of machines that break down on a given day, along with the corresponding probabilities, are shown in the following table:
Find the expected number of machines that will break down on a given day.
a. E = 1.76
b. E = 1.54
c. E = 0.71
d. E = 1.19