Cindy has 11 books in her library. she bought several books at a yard sale over the weekend. she now has 59 books in her library. how many books did she buy at the yard sale?

Solve: log9-logx + 1=6

How do I do (+7) - (-2) = ?

What is y-7=4 (x+4) in standard form

Select the factors of x2 - 14x + 49

A 33 - m tall building casts a shadow. The distance from the top of the building to the tip of the shadow is 35 m. Find the length of the shadow. If necessary, round your answer to the nearest tenth.

How do you simplify 15.5 in fraction form

Two sides of an obtuse triangle measure 12 inches and 14 inches. The longest side measures 14 inches. What is the greatest possible whole-number length of the unknown side? Inches

There are two less nickels than dimes, and as many quarters, as nickels and dimes together. The total amount of money is $5.25. How many quarters, dimes, and nickels are there?

What type of angle has a measure of 90°

Factor as the product of two binomials. 81 + 18x + x^2