Cos 2x cos x - sin 2x sin x = radical 3 / 2

3. At the zoo, the ratio of the number of giraffes : lions : penguins is 3:5:11 The total number of legs that these animals have all together is 108. How many lions are there at the zoo?

5. What is the graph of the equation? -5x + y=-3

Simplifly 21 hours and 99 minutes

pin Co. has $52,000 in its Cash account, $20,000 in its Inventory account, and $12,000 in its Notes Payable (short-term) account. If Spin's only other account is Common Stock, what is the balance of that account?

Write each of these statements in the form "if p then q" in english.

a dog weights two ponds less than three times the weight of a cat. the dog also weights twenty two pounds than the cat. write and solve an equation to find the weights of the dog and the cat.

Product A is 8oz bottle of cough medication that sells for 1.36 Product B is a 16 oz bottle of cough medication that cost 3.20 which product has the lower unit

Pick the set of numbers which contain ALL perfect squares: a. {2,4,8,16,32} b. {10,20,30,40,50} c. {1,2,3,4,5} d. {81,16,25,49,1}

The nutrition label on a box shows that nine cookies have 360 calories. How many calories were in 24 cookies that Marcus ate?

110% of 90 is what?