Give an example of a problem in which the percent error is greater than 20%, but less than 50%. explain hiw you determined the percent error.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

the answer is d

step-by-step explanation:

m∠a is 90°

m∠b is 40°

multiple all that

step-by-step explanation:

27×17