Kayla and ary's go shopping. the function p(t) = 2x^4 +6x^3-3x^2+ 24 represents how much money each girl spent based on the numbers they were shopping. if kayla and ary's each go shopping for 2 hours how much money did they spend together.
a . $ 44
b. $88
c. $ 92
d. 184

I'm terrible at math any here is appreciated.

The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]