Each base of a triangular prism is a right triangle with side lengths 3 inches, 4 inches, and 5 inches. the height of the prism is 7 inches. what is the surface area of the prism?

a.420 in2

b.840 in2

c.96 in2

d.84 in2

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Jessa bought a yoyo from a company that claims that, with each retraction, the string rolls up by 60% of the original length. she sets up a tape measure and throws the yoyo 3 times. her data are charted below. throw length of string (feet) 1 3 2 1.8 3 1.08 jessa wants to find the sum of the length of string after 10 throws. what is the sum of the lengths, rounded to the nearest hundredth?

At school 460 of the students walk to school the number of students who take public transit is 20% of the number of students who walk. how many students take public transit