Given vectors a = (1,2), b = (2,-1), find 4a-3b

What is x? x/3 + 10=15 A. 15 B.-8

Sam has just purchased 10 new high speed color laser printers for his company. He is very excited because he got a 40% discount and paid only $2,990 for each unit. His boss, Joe, wants to know things such as operating costs, support, overhead, etc.

Find the pattern. What numbers come next? 63, 57, 51, 45, A 38, 30, 22 B 38, 31, 24 C 39, 33, 27 D 39, 32, 25

Verify whether or not the algebraic expressions are equivalent for m = 4. Explain your answer. 2m + 5 + m - 4 - 5m - 4 + 8m + 5

a salesperson's weekly paycheck is 40% more than a second salesperson's paycheck. The two paychecks total $1275. Find the amount of each check.

What is the solution to 2x2 - 5x = - 8?

In a class of 26 student, 15 of them like maths, 13 of them like english and 9 of them don't like maths or english. Find the probability that a student chosen at random like english but not maths.

American car travels 32 miles on 1 gallon of gas European car travels 12.7 km on 1 L of gas which car gets better gas mileage explain your reasoning

78% of what number is 117?

The coefficients of the expression 2x^3-5x^2+x are: