A ski patrol unit has seven members available for duty, and two of them are to be sent to rescue an injured skier. In how many ways can two of these seven members be selected?

Tyler deposited $300 into his bank account. He then wrote a check for $150 write an expression to show the change in his account.

Fraction that is less than 5/6 and has a denominator of 8

Abby lists four consecutive multiples of some number. The average of the first two multiples is 28 and the average of the last two is 44. What is the greatest multiple on Abby's list?

Find the surface area of a sphere with a radius of 7 inches

10 times the sum of a number and 9

Oceanside bike rental shop charges 16 dollar fixed fee plus 9 dollars an hour for renting a bike. jessica paid 61 dollars to rent a bick. how many hours did she pay to have the bick checked out?

Solve: 2x + 8x - 1 = 19

What is the y-intercept form of " (3,-2) and (-3,-12) ?"

A quadrilateral with 90 degree angles is shown. The lengths of the left and right sides are 10 and 2 y + 4. The lengths of the top and bottom sides are 18 and 10 + 2 x. What is the value of x?

2,653 rounded to the nearest hundred