Which equation is an example of the commutative property of multiplication?

O (4 + 21) = (21 + 4)

O (4 + 21) (3-51) = (3-51) (4 + 21)

(4 + 21 (3-51) = (4 + 21) (3-51 (1)

(4 + 21) = (4 + 21 + 0)

Four sisters bought a present for their father. They recieved a 10% discount on the original price of the gift. After the discount was taken, each sister paid $9. What was the original price of the gift?

Find x-component of vector v⃗ = (250m/s, 30∘ above + x-axis)

Kendra babysits and makes $15 per hour. She wants to buy a new laptop for $370. What is the minimum number of hours she must work in order to be able to buy the laptop?

The sum of the interior angles, s, in an n-sided polygon can be determined using the formula s=180 (n-2), where n is the number of sides. Benita solves this equation for n and writes the equivalent equation n=s/180+2.

What is the first quartile of the following data set

Give two examples of different measurements that are equivalent to 10 centimeters per second

Find the possible values for s in the inequality 12s - 20 ≤ 50 - 3s - 25.

14. Favorite School Subject Math 15% Science 20% English 35% History 30% Jenn recorded the favorite school subject of students at her school. She surveyed 700 students. How many more students chose English than Science?

The population of gray wolves in Wisconsin increased from 570 in 2007 to 660 in 2014. Find the percent increase in the wolf population.

Does the table represent an exponential function? Yes or No.