Ineed to "find the indicated values" of each problem and i am very confused. "given f(x)=3x^2+5x and g(x)=7x+3 find f(x)g(x)" could someone explain to me how to do this?

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

Which of the following represents the length of a diagonal of this trapezoid?

Carl is hanging pictures in his home. there is a space on a wall that has a width of 4 feet. carl has pictures with different widths. which picture width would fit in the space on the wall? a. 46 inches b. 60 inches c. 50 inches d. 54 inches