What is the coefficient of z in the expression

4x+8y+12z

a) 2

b) 4

c) 8

d) 12

What is 2 1/5 times 3 4/7

Convert 65.949 to expanded form. A) (6 + 5) + (9 * 1 10) + (4 * 1 100) + (9 * 1 1000) B) (6 * 5) + (9 * 1 10) + (4 * 1 100) + (9 * 1 1000) C) (6 * 100) + (5 * 10) + (9 * 1 10) + (4 * 1 100) + (9 * 1 1000) D) (6 * 10) + (5 * 1) + (9 * 1 10) + (4 * 1

Kelly bought a computer that was 20% off the regular price of $1,060. If a 7% sales tax was added to the cost of the computer, what was the total price Kelly paid for it?

A family pays $45 each month for cable television. The cost increases 7%. a. How many dollars is the increase? The increase is $ . b. What is the new monthly cost? The new monthly cost is $ .

I don't understand how to figure one third to the 3rd power

32 feet is what percent of 244 feet?

A restaurant served 85 halves of cantaloupe during a busy weekend. How many whole cantaloupes is this?

Erik's disabled sailboat is floating stationary 3 miles east and 2 miles north of Kingston. A ferry leaves Kingston heading toward Edmonds at 12 mph. Edmonds is 6 miles due east of Kingston. After 20 minutes, the ferry turns, heading due south.

Which of the following could be the measures of the three angles of an acute triangle? ... A ... 40°, 40°, 100° ... B ... 30°, 60°, 90° ... C ... 50°, 55°, 75° ... D ... 30°, 30°, 120°

Li rolls a 1-6 number cube and flips a coin. What is the probability that he rolls an en odd number and flips tails?