Find u•v when u = 12i+4j and v=15i-5j

As improper fraction 2 1/2

Twin brothers, person A and person B, can mow their grandparent's lawn together in 40 minutes. Person A could mow the lawn by himself in 18 minutes less time than it would take person B. How long would it take person B to mow the lawn by himself?

If the last digit of weight measurement is equally likely to be any of the digits 0 through 9. Round your answers to one decimal place (e. g. 98.7). What is the probability that the last digit is 0?

What is 7/8 divided by 3/5

Donovan has offers for two sales jobs. Job A pays a base salary of $25,000 plus a 10% commission on sales. Job B pays a base salary of $30,000 plus 8% commission on sales. a.

If the minimum value of the function y = cos θ + d is - 5, the value of d is ...

4 + (-3) + 5 + (-2) how do I find the answer

Lori is reading The Grapes of Wrath for her American literature class. She read 85 pages last weekend, 135 pages during the week, and 98 pages this weekend. What is the total number of pages she has read so far?

A boy was watching the show standing on the ground. A jet fighter when 1000m high passes vertically above an other jet fighter at an instant, when the angle of elevation of the two jets from the boy are 60 degrees and 45 degree respectively.

A worker on a assembly line is required to take a short break every 120 to 150 minutes. The worker begins his job at 9:45 AM. Which is not a time the worker could take his first break