21 I think because 3 times 7 is 21 so you multiply 3 times 7.
Answer:
D, X=-1.34
Step-by-step explanation:
1 :Multiply both sides by - 10
2 :Add 20X at both sides
3 : Divide by 32
Two angles are complementary angles if they have a sum of 90 degrees. We could write the expression as below.
angle 1 + angle 2 = 90
7x + 2 + 3x - 2 = 90
solve for x by adding like terms
7x + 3x + 2 - 2 = 90
10x = 90
x = 90/10
x = 9
The value of x is 9
Answer: That is a personal opinion question. I'd agree with Rhett on this, mainly because I love pizza, and you can buy 1 pizza for the price of 2 with a larger diameter, meaning more pizza per slice than bying the smaller ones.
Step-by-step explanation: