Select the proper placement for parentheses to speed up the addition for the expression 2 + 9 + 8 + 1 A. (1 + 2) + (9 + 8) B. (9 + 2) + (8 + 1) C. (8 + 2) + (9 + 1) D. (8 + 9) + (2 + 1)

Solve the equation using propertis of logarithms and exponents. 9^6x=3^2x+4

Sam is flying a kite. the length of the kite string is 80 meters, and it makes an angle of 75° with the ground. the height of the kite from the ground is meters.

Which expression is the same as 10 divided by 4 a. 1/10 of 4 b. 4 divided by 10 c. 1/10 times 1/4 d. 1/4 of 10

What fractional part of a meter is a centimeter?

You need at least 120 cupcakes for a picnic. So far, people have donated 96 cupcakes. Solving the inequality c + 96 ≥ 120 will tell you how many cupcakes you can make and have enough. Which step is the best way to solve the inequality?

Which number has the least absolute value? A) 30 B) 10 C) - 20 D) - 40

43 is a 2 digit odd number that is composite

Lisa has 1/3 of an hour to read and watch television. She wants to split her time equally between the two activities

For what value of x does 64^3x = 512^2x+12

Select the letter of the best answer choice. Use 3.14 or 22/7 for π what is the circumference of a circle with a diameter of 21 ft? round your answer to the nearest foot. A) 132 ft B) 66 ft C) 44 ft D) 33 ft