If 8x+8y=4 and 4x+2y=12, what is the value of x?

A.) - 5

B.) - 11/2

C.) 5

D.) 11/2

Find the percent of decrease from 280 to 210. Round to the nearest tenth of a percent, if necessary. a 0.3% b 25% C 33.3% D 133.3%

In the right triangle shown, m ∠ A = 30 ° m∠A=30°m, angle, A, equals, 30, degree and A B = 12 3 AB=12 3 A, B, equals, 12, square root of, 3, end square root. 30 ° 30° x x 12 3 12 3 C C A A B B How long is A C ACA, C?

Kaylynn read 380 pages of her book last week. She read the same number of pages each day for 5 days. How many pages did Kaylynn read each day?

How do you Mutilple fractions

Dennis wrote down a three digit number, The digit in the tens place is 2 more than the digit in the hundreds place. The digit in the ones place is 6less than the digit in the tens place. The digit in the hundreds place is odd number.

The stock of Company A lost $4.25 throughout the day and ended at a value of $63.75. By what percentage did the stock decline?

What is the period of 913 in 913,256

A bank contains 27 coins consisting of dimes and quarters. the coins have a total value of $4.95. Find the number of dimes and quarters in the bank.

what does a + a equal to

Mr. Santos is carpeting his living room. The room measures 21 feet by 15 feet. The carpeting costs $9 per square foot. How much carpeting will he need (in square feet), and how much will it cost?