Which Platonic solid has twenty faces that are equilateral triangles?

Let f (x) = 2x-8 and g (x) = x+9. Find f (g (x)) and g (f (x))

There are 342 guests at a wedding. Each guest has a bottle with 4/100 liter bubble soap. They blow bubbles until all the bottles are empty. How many milliliters of bubble soap are blown?

Helen bought 4 gallons of paint to redecorate her family room. If she uses 4/5 of the paint on the family room walls how much paint does Helen have left over?

Explain one strAtegy for finding 2 2/5 + 1 2/5.

Instructions. find the volume and surface area of the rectangular prisms

1. z^2 = 1 √{ } = √{ } z = ± { } The solutions are { } and { }

What is the rate for 171 And 3

At the start of the summer, you have $603.15 in the bank. You make deposits of $90.89 in June, $106.03 in July, and $70.04 in August. At the end of the summer, how much money do you have in the bank?

A plane traveling from phoenix to san Francisco with a tailwind of 35 miles per hour takes 2.5 hours. returning with the headwind it takes the same plane 2 hours and 45 minutes. what is the average speed of the plane in calm conditions?

Mildred bought 2-cent stamps, 4-cent stamps, and 5-cent stamps for $4.35. The number of 2-cent stamps exceeded the number of 5 cent stamps by 50. The number of 4-cent stamps was 10 less than twice the number of 5-cent stamps.