What the answer to this

Solve this system of two linear equations using the linear combination method?

2x-5y=18

y-x=-10

Which of the following are roots of the polynomial function F (x) = x^3 - 5x^2 - 13x - 7 A. 7 B. 3 + Square root of 2 C. 1 + square root of 3 D. - 1 E. 1 - square root of 3 F. 3 - square root of 2

2.3 to the nearest cent

1/3x (-6+27y-51z) simplify

4. On a beach trip, Lucy rents a bike from "Wheels by the Waves", where they rent bikes for $12 plus $3 per hour. If Lucy spent $30, how many hours (h) did she rent a bike?

When buying a pair of jeans, Rick paid 8% of the purchase price in sales tax. If the price of the jeans was $24.50, how much did Rick pay in tax? $1.69 $1.79 $1.86 $1.96

Who is taller 180 cm or 5ft 8in.

Samantha's notebook has 14 pages more than three times as much as Lisa's notebook. If Samantha's notebook has 260 pages, how many pages are there in Lisa's notebook?

What kind of bond pays interest which is exempt from tax?

What is the inverse of the function f (x) = 2x + 1? A. h (x) = 1/2x - 1/2 B. h (x) = 1/2x + 1/2 C. h (x) = 1/2x - 2 D. h (x) = 1/2x + 2

A golden eagle flies a distance of 290 miles in 5 days if the eagle flies the same distance each day of its journey how far does the eagle fly per day