help pls how do i caluclate it i have the answer i just need to know how to calculate it. The second one

Evaluate the expression. (9 + 5)(3 + 2)0

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points