If (2x-3) and (x-5) are multiplied to form the trinomial ax^2+bx+c , what is the value of b?

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.