Francis has 11 bottles containing 8 ounces of water each. He multiplies to determine that he has 88 ounces of water total. Which addition equation could he use to check his answer?
8 + 11 + 8 + 11 + 8 + 11 + 8 + 11 = 76
8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 = 88
8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 = 64
8 + 11 = 19

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle