By what rule can I identify numbers that can be divided by nine without rest? 765 is dividable by 9, and so is 123456789. How can I "see" that?

Your class collected more than 380 cans of food for the annual food drive. In the first week, 145 cans were collected. How many cans c of food were collected in the second week? Write and solve an inequality.

The perimeter of a square window is 360 cm find the length of one side

A brand of cereal had 1.21 mg of iron per serving ... Then they changed their recipe so they had 1.8mg What was the percent increase in iron?

If 48 of the 92 people who swim at the YMCA are children, what is the ratio of children to adults who swim at the YMCA? Write the ratio in lowest terms as a fraction or with a colon.

The sum of the interior angles of a polygon is 3960 degrees find the size of its exterior angles

Determine whether the formula describes y as a function of x. Explain your reasoning. y = - 3x2 - 7x - 6

Select the correct answer from each drop-down menu. Betsy's Day Care Caretakers Children 8 48 The ratio of caretakers to children is ratio of caretakers to children f 24 more children are added, they should hire more caretakers to maintain the

Angelo is riding in a hot air balloon. The balloon begins at 700 feet above the ground. It drops 200 feet, rises 500 feet, and then drops 100 feet. Write and evaluate an expression to find Angelo's position relative to the ground.

Brain deposited 9000 into a savings account for which interest is compounded monthly at a rate of 2.36%. How much interest will he earn after 11 years? 214.71 416.03 2336.40 2664.73

Find the value of c that makes the trinomial a perfect square. x²+26x+c