Explain how "9+10=21"

Find the product in lowest terms: d2-25d2-4 x 5d2-20d+5

Tom eats three slices of a ten slice pizza. He pays $3.30 as his share of the full price. Write and solve an equation to find the full price.

What is the distributive property to express 16 48?

2) Fred sold half of his comic books and then bought 7 more. He now has 18. How many did he begin with?

Find AB if BC = 3, BD = 5, and AD = 6

There are 8 rulers in the drawer Sara took 3 rulers from the drawer how many rulers are now in the drawer

What is the value of "c" in the quadratic equation 3x 2 + 5x + 7 = 0?

What is the estimated sum? round each number to the nearest hundred before adding. 521,370 26,839

You are planning a 420 mile trip. You will drive at a rate of 60 mph. After 2 hours of driving you stop for 15 minutes. After two more hours, you will stop for 30 minutes to eat. Two hours later, you will stop for 15 minutes again.

The results from spinning a spinner multiple times are given in the table below. Color Frequency blue 17 yellow 14 green 13 red 9 purple 17 What is the experimental probability of spinning purple? A 17/43 B 17/50 C 17/70 D 17/60