6r+7=13+7r

this is precalculus

We are given three coins: one h heads in both faces, the second h tails in both faces, and the third h a head in one face and a tail in the other. we choose a coin at random, toss it, and the result is heads.

Stephen invests in an account that pays 3% compound interest annually. He invests $5,500. He uses the expression P (1+r) t to find the total value of the account. What will be the total value of the account after 6 years?

Shaquille, Lyle, and Amanda collect stamps. Shaquille has one-half the number of stamps that Lyle has. Amanda has two-thirds as many stamps as Lyle. Together they have 364 stamps. How many stamps does Amanda own? 84 98 112 168

27 is the 60% of what number? Let, What number = y 60% of y = 27

3. The ratio of the side lengths of a parallelogram is 5:8, and its perimeter is 78 inches. What is the length of the longer side? Length of Long Side =

Find the side length of a square with the given area. 64 m² A. 4 m B. 8 m C. 32 m D. 4096 m

Simplify the identity: tan cos/sin

Lauer Corporation uses the periodic inventory system and has provided the following information about one of its laptop computers: Date 1/1 5/5 8/10 10/15 Transaction Beginning Inventory Purchase Purchase Purchase Number of units 100 200 300 200

Find the dimension of a rectangle whose width is 9 miles less than its length and whose area is 90 square miles

John Banks invested $6,700 in a mutual fund containing bonds. Find the rate if he earned $335 in interest in 5 months. 12% 5.5% 1% 6%