Rebecca's electric bill is a variable expense. What is the average amount she pays for electricity if she paid $135 in December, $129 in January, $99 in February, $120 in March and $140 in April? A. $124.60

B. $125.00

C. $105.90

D. $132.45
I’ll give brainiest:)

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

Answer this question, only if you know the answer. 30 points and brainliest!

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.