Which polygon has an interior angle sum of 900?

Phillip has between two hundred and three hundred baseball cards. Which inequality represents this situation? A. p < 300 or p < 200 B. 200 < p < 300 C. p 300 D. 200 > p > 300

An equation and the steps to solve it are shown below: 5x minus one over five times the quantity 20x plus 5 equals 9 Step 1: 5x - 4x - 1 = 9 Step 2: x - 1 = 9 Step 3: x - 1 + 1 = 9 + 1 Step 4: x = 10 In which step was the error made and why?

Calvin earned $40,500 last year. He paid $12,555 for rent. What percent of us earnings did Calvin pay for rent?

Simplify root45 - root20 + 4root5

Michael found a jake at the bank he said that he went there every 45 days and Michael says he went every 30 days. when will they see each other again?

Order them from greatest to least. 1 lb = 16 oz 1 oz ≈ 28.3 g 800 g, 1.6 lb, 30 oz

When four times the number is added to 7 times the result is 33. What is the number?

A tablet computer costs $189.69 including tax. It is marked up 30%. What is the final price of the tablet computer after it is marked up? A. $56.91 B. $132.78 C. $219.69 D. $246.60

Jeff found 3 times as many seashells as his sister. Jeff found 39 seashells. How many seashells did his sister find? Write an equation to represent the situation. Then solve the equation to answer the problem.

Divide. square root of - 18 / square root of - 50