A plumber charges $50 to visit a house plus $40 for every hour of work. Define a variable and write an expression to represent the total cost of hiring a plumber

Thirty-six is 4 more than twice a certain number. Find the number.

The ages of commercial aircraft are normally distributed with a mean of 13.5 years and a standard deviation of 7.3 years.

Michael wants to find the height of a pine tree in his yard. He measures the height of the mailbox at 3 feet and its shadow at 2.4 feet. Then he measures the shadow of the pine tree at 18 feet. How tall is the pine tree?

Which of the following is an undefined term in geometry? O A. Segment O B. Ray O C. Line O D. Dimension

Approximate 50 oz to the nearest lb

How i solve 3x+18=3-2x

The sine of 37° is equal to the cosine of what angle? Enter your answer in the box.

1. Popeye is lifting Olive Oyl off the ground by pulling her upward with a force of 108.1 N. She is pretty thin so she only weighs 10 kg. What is Olive Oyl's acceleration as a result of this force?

Which expression is the factorization of 8x^2+13x-6?

What Exponential form is 1 / 10 x 10 x 10 x 10? :