There are 7 more girls than boys in a class. There are 23 students in the class in all how many girls are there in the class. What are the unknowns in this problem?

What is 4*-3+12=180 equal

All parallelograms are rectangles. true or false

Which is the best estimate for the mass of a desktop computer?

Haroldo, Xerxes, Regina, Shaindel, Murray, Norah, and Georgia are invited to a dinner party. They arrive in a random order and all arrive at different times. What is the probability that Xeres arrives first AND Regina arrives last?

A potter has 9 pounds of clay. he uses 3/10 pound of clay for each Bowl he makes. how many bowls can the Potter make?

A cup of cereal can contain 480 milligrams of salt, which is 20% of the recommended daily amount. What is the recommended daily amount of salt?

Think About the Process At a little-known vacation spot, taxi fares are a bargain. A 63-mile taxi ride takes 72 minutes and costs $50.40. You want to find the cost of a 42-mile taxi ride. What unit price do you need?

The weight of a box of cereal can vary by 1/4 of an ounce and still be sold as a full box. Each box is supported to contain 18 ounces of cereal.

Suppose we have samples of five men and of five women and have conducted a randomization test to compare the sexes on the variable Y = pulse.

Find the perfect square between 45 and 55