Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that exactly 7 of them use their smartphones in meetings or classes

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Atemperature of 1.64◦f corresponds to answer in units of ◦c.