Given that r = (7,3,9) and v = (3,7,-9), evaluate r + v. A. (-21,-21,81) B. (10,10,0) C. (21,21,-81) D. (-10,-10,0)

Which expression has the same value as - y-4? - y4 Negative StartFraction 1 Over y Superscript 4 Baseline EndFraction StartFraction 1 Over y Superscript 4 Baseline EndFraction y4

A 63 inch long string is cut into pieces so that their lengths form a sequence. First, a 1 inch piece is cut from the string, and each successive piece that is cut is twice as long as the previous piece cut.

Which of the following is equivalent to the equation 2 (x-3) = 5 (x+1) ?

The data list shows the scores of ten students in Mr. Smith's math class. 61, 67, 81, 83, 87, 88, 89, 90, 98, 100 What is the standard deviation, to the nearest tenth, of the data if the scores represent a sample of Mr.

Choose the number that is composite. A. 2 B. 21 C. 31 D. 17

5x - 2 (4x - 12) = - 7x - 12

One hundred students were surveyed about whether they recycle regularly. The results are shown in the two-way frequency table below. Fill in the missing information.

Translate the sentence into an equation. Six more than the product of a number and 9 is equal to 5. Use the variablew for the unknown number.

Pete the pilot is 35 years old. his son is 9 years old. in how many years will pete be exactly 3 times older than his son.

Maria estimates college tuition and fees, room and board, books, and other charges total $10,100. She will receive a scholarship for $1100.