some friends are playing a card game. Heather has 8 times as many cards as Alejandro. Heather has a total of 24 cards. write a number sentence to show how to find the number of cards that Alejandro has.

a filter for an aquarium cleans 800 gallons of water in 60 minutes. how many gallons of water does the filter clean in 4.5 minutes?

Give two coterminal angles for 150 degrees

Using 3.14 for pi, what is the volume, to the nearest tenth, of a cone that has a height of 16 feet and a base with radius

2² + 5 • 4 : 2 = ? is it 18 or 14, and how? this is for my own personal studying

12x + 5y - z, where x = 1/2 , y = 6 and z = 10

For the given equation, find the values of a, b, and c, determine the direction in which the parabola opens, and determine the y-intercept. Decide which table best illustrates these values for the equation: f (x) = 9x^2+5x+3

Which sentence correctly forms the plural of the number 5? A. Jasmine's house number has three 5s and a 1. B. Jasmine's house number has three 5s' and a 1. C. Jasmine's house number has three 5's and a 1.

You toss a coin and roll a number cube. Find P (heads and an even number)

Of the original 56 signers of the declaration of independence four of them are present in North Carolina if you selected one sign randomly how likely is it that he represent in North Carolina

Michelle built a fence around her square garden. If Michelle used 72 yards of fencing to enclose her garden, what is the length of each side? 12 yards 16 yards 18 yards 36 yards