$1.50 what if you took of the sales tax rate of a helmet. if the sales rate was5%,how much would be the original price of the helmet?

Then it would be 1.50 + 1.50 *5 /100 = 1.50 + 0.075 = 1.575

So, the original price would be $1.575

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b

thus, the first answer choice, y = sec x, is the correct one