Consider a circle whose equation is x2 + y2 - 2x - 8 = 0. Which statements are true? Select three options.

Your friend says that y = 2x - 5 is perpendicular to the line y=1/2x+5 which passes through (2, 6). She proves it with the following work:

Justin is riding his bicycle. He rides for 17.6 kilometers at a speed of 11 kilometers per hour. For how many hours does he ride?

Give me a question that shows that you understand the relationship between ratios and rate.

Mary Ellen invests $4000 in an account that earns 1.8% annual interest compounded monthly. How many years will it take for the balance of this account to reach $6000? Round your answer to the nearest tenth of a year.

Solve the following equation 2x-3 (4-x) = 5x+3

Four times the first of three consecutive even integers is six more than the product of two and the third integer. Find the integers.

What is x - 13 > - 4

There are 18 gallons of gas in a car at the beginning of a trip. Each hour into the trip, 2.5 gallons are used. Write an equation to represnt the gas left in the car.

Helen draws a random circle She then measures the diameter and circumference

In a layout of Mark's backyard, the ratio is 1 centimeter = 10 meters. The length of the deck on the layout is 4 cm and the width is 4 cm. What is the perimeter of Mark's deck?