The sides of a triangle have lengths of x, x + 4, and 20. If the longest side is 20, which of the following values of x would make the triangle obtuse?

A. 8

B. 10

C. 12

D. 14

The sum of the ages of a mother and a daughter is 32 years, and the age of the mother is seven times that of the daughter. what is the age of each

3x-2=4 How do I get the answer

What are two similarities between the graphs Y = - 2x+5 and Y< - 2x+5?

Michelle and Andrea are walking laps for charity. The amount of money, y, that each girl raises for a certain number of laps, x, is shown in the tables below. Michelle A 2-column table with 3 rows. Column 1 is labeled x with entries 10, 30, 60.

If 12 gallons of gasoline costs 13.80, how much will 15 gallons of gas costs?

13 less than the product of three and a number

If a car moves at a speed of 80 km/h for 5 hours, what distance will it travel?

Find the y-intercept of the line y = 6x + 174

Factor of 3x^2 - 6x 3

If i have 7 dollars and i get 10 every 2 weeks how much many would i have by june 26