Find the first fourth and eighth terms of the sequence a (n) = - 2*5^n-1

Phylum of the gymnosperms includes only a single living species is called

What is the mean of 82,64,73,91, and, 85

Here's a quick and easy way to randomize. You hove 100 subjects, 50 women and 50 men. Toss a coin. If it's heads, assign the men to the treatment group and the women to the control group.

What is the radius of a diameter of 3.6 cm?

The radius of a circle is 8 kilometers. What is the length of a 45° arc?

2x 2 (9x 2 - 16)

Megan has already saved $18 and she earns $4 per hour working four hours on each Saturday and 3 hours on each Sunday. Rhoni has already saved $22 and she earns $3 per hour and works 6 hours each week.

What is the number of games if 80% is 32 games

Simplify this algebraic expression: y-3/3+12

A pool is filled with 270 270270 cubic meters of water. The base of the pool is 15 m 15 m15, start text, space, m, end text long and 9 m 9 m9, start text, space, m, end text wide. What is the height of the water in the pool?