Sara says, “if you subtract 19 from my number and multiply the difference by -5, the result is -40. is Sara’s number?

Geometry answer picture question pls . reason and statements

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.