What is the probability of getting 2 heads up and 1 tails up when flipping three coins?
A. 1/6
B. 1/4
C. 3/8
D. 2/3

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Which line is parallel to the line that passes through the points (2, –5) and (–4, 1) a. y=-x+5 b. y=-2/3x+3 c. y=2/3x-2 d. y=x+5

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.