What is x equal in 7^2 + 11^2 = x^2

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

The cost of a taxi ride includes an initial charge of $2.00. if a 5km ride cost $6.00 and a 10km ride cost $10.00, determine the cost of a 15km ride.