Work out the highest common factor of 63 and 105

Perpendicular Vectors: Find v x w if v=5i - 4j + 4k & w=-6i + 3j - 2k. A. 3i-4j-2k B. - 14i-9j-4k C. 5i + 3j - 4k D. - 4i - 14j - 9k Find v x w if v=-3i-4j-8k & w=2i+6j+4k. A. 12i - 2j + 3k B. 8i + 12j + 32k C. 32i - 4j - 10k D.

Simplify the ratio of the following 12 hours : 4 days

A football team gains 8 yards in one play (8), then loses 5 yards in the next (-5). What is the teams total yardage for the two plays?

The scale of a map is 1 1/4 inches = 100 miles. On that map, 2 cities are 4 1/8 inches short. What is the actual distance between the cities?

Letitia has 7 1/6 of yellow ribbon, 5 1/4 yards of orange ribbon, and 5 1/6 yards of brown ribbon. how much ribbon does she have altogether? A: 18 7/12yards B: 18 1/6 yards C: 17 7/12 yards D: 17 3/16 yards

You deposit $1240 in a savings account paying 4.2% interest. How much interest will you earn in six years

Were only 64 seats. The remaining 6 students had to travel in a separate van. The equation 2b + 6 = 70 represents the given scenario.

The lengths of plate glass parts are measured to the nearest tenth of a millimeter. the lengths are uniformly distributed with values at every tenth of a millimeter starting at 590.2, and continuing through 590.8.

How do you subtract o. 8 from 1.5

Four times a number decreased by 25 is the same as 9 times the number. Find the number.