Myra is evaluating the expression –31.7 + 4.5x, when x = 2.1. –31.7 + 4.5(2.1) = –27.2(2.1) = –57.12 what was myra’s error? a. myra should have multiplied -31.7 and 2.1 first. b. myra should have multiplied 4.5 and 2.1 first. c. myra should have subtracted -27.2 and 2.1 first. d. myra should have added -31.7 and 2.1 first.

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"