Professor must randomly select 4 students to participate in a mock debate. There are 18 students in his class. In how many different ways can these students be selected, if the order of selection does not matter?

Use the diagram to identify the corresponding sides of the congruent triangles. Side AB corresponds to side. Side EF corresponds to side. Side CA corresponds to side.

Given the coordinates - 7 and 2 on a number line, find the length of the segment that connects them

A box of 15 cookies costs 9$ how much does a cookie cost

The trapezoid in the figure has equal nonparallel sides. The upper base is 6, the lower base is 16, and the diagonal is 12. What is the altitude of the trapezoid? A. 8.4 B. 5.7 C. 7.9 D. 4.8

Transtutors the town barber shop can accommodate 35 customers per day. the manager has determined that if two additional barbers are hired, the shop can accommodate 80 customers per day.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.