Jessica spent $36.07 and ben spent $7.79 at the grocery store. which is the best estimate of how much jessica and ben spent together?

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.

Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1

Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2