There are 30 people at a meeting, They each shake hands with everyone. How many

handshakes were there? Hint: Think "The number of combinations of 30 people at a

meeting giving handshakes to each other 2 at a time."

Solve for w. - (1/4w+8) + 8=3 a. w=52 b. w=-3/4 c. w=13/4 d. w=-12

Kiyo bought a pizza for 12.75 and four medium drinks at Paul's pizza. Define a variable and write an expression to represent the total amount of money spent. Then find the total cost if one drink cost $3.00

To rent a midsize car for one day, Tom's Car Rentals charges a fee of $0.25 per mile driven. Write an equation that relates the total cost of the car rental for one day, T (m), as a function of the number of miles driven, m.

11. Alexis and Mariana are hiking, Alexis climbs to the top of a ridge 417 feet above ground level. Mariana goes to the bottom of a valley, 30 feet below ground level. What is the vertical distance between Alexis and Mariana?

Solve the equation for y. 4x - 5y = 9 a. y=5/4x 9/4 b. y=-4x-9 c. y=4/5x-9/5 d. y=-5/4-5/9

What is the value of the product (3 - 2i) (3 + 2i) A) 5, B) 9+4i, C) 9-4i, D) 13

Harley took out a 1-year loan for $2800 at an electronics store to be paid back with monthly payments at a 16.8% APR, compounded monthly. If the loan offers no payments for the first 3 months, how much will Harley owe when he begins making payments?

Which best describes bias, if any, from the sample surveyed? survey: favorite sports sample: randomly selected fans at a baseball game A. Since the sample is randomly selected, there is unlikely to be any bias. B.

On Monday, Xavier went to recess at 1:30 p. m. . Recess lasted for 20 minutes. • Xavier had math class after recess. It lasted for 55 minutes • Xavier walked home after math class. He took 25 minutes to walk home from school.

Write 2 multiplication problems