Melanie sold half of her comic books and then bought 7 more. She now has 18. How many did she begin with?

A circus performer walks on a tightrope 25 feet above the ground. The tightrope is supported by two beams and two support cables.

Write - 6x+3y>14 in slope intercept form.

If z is a standard normal variable, find the probability that z lies between 0.7 and 1.98.

The CN Tower in Toronto is the second-tallest free-standing structure in the world, at a height of 555 metres (more than half a kilometre!) Buddy is standing due west of the tower, and Holly is standing due east of it.

It's often hard to think of why inequalities might be useful in life. Actually, you probably use inequalities on a regular basis without even thinking about it.

A store is selling blank CDs in packages of 25 for $5. Write and solve a multiplication equation to find the cost of one blank CD.

In the process of solving an equation, a student noticed that only integers remained on each side of the equation. The student concluded that the equation must have no solution. Is the student correct? Explain.

What expression can be used to find the sum of the polynomials?

What if the carrots were 50 cents less per pound how much Victoria pay for 8.5 pounds of carrots?

Coins were developed as a medium of exchange because other items like cows, grain, and land were more difficult to move from place to place; true false