13. A test had four challenging questions (7 points each) and twenty-four easy questions (3 points each). Eric answered both types of questions on his test. If he answered only
1 challenging question correctly and had a test score of 70 points, how many easy
questions did he answer correctly?

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

Choose the correct translation for the following statement. it is at most ten. x< 10 x< 10 x> 10 x> 10

Hello, i need compare km^2 and km. what's difference in this?