Wat is the ratio of 7 to 21

If 84 cookies will serve 28 students how maby cookies are needed for 30 students?

Which type of deposit is paid in advance to protect landlords against nonpayment?

Your brother has saved $69 to spend on basketball cards. He plans to buy the cards at a sale. Single cards are $9, and if you buy three cards, you get a fourth for $7. if you buy five cards, the cost is $39.50.

Zack bought 7 shoes and 2 socks for $39. cody bought 5 shoes and socks for 29$.

A pipe is leaking 1.5 cups per day. About how many gallons per week is the pipe leaking?

Lamar bought 20 pounds of dog food for $4.99 for his dog, Buster. The next day, the shop down the street offered 50 pounds of the same brand of dog food for $12.50. Did Lamar get a better deal? ... ?

Simplify the sum 4/m+9 + 5/m2 - 81

We conduct a study to determine whether the majority of community college students plan to vote in the next presidential election. We choose a significance level of 0.05.

Francine is making a necklace that has 1 blue bead for every 6 white beads. how many white beads will she use if she uses 11 blue beads.

If one full rotation contains 360 degrees how many are in half rotation and in 3/4 of a rotation