Simplify 9 to the 2nd power over 9 to the 7th power

Some IQ tests are standardized to a Normal model N (100 ,18 ). a) What cutoff value bounds the highest 15 % of all IQs? b) What cutoff value bounds the lowest 35 % of the IQs? c) What cutoff values bound the middle 80 % of the IQs?

Jannette can repair a refrigerator in 60 minutes. Liza can repair a refrigerator 20 minutes faster. If they work together, how many minutes does it take them to repair the refrigerator

Gloria traveled a total of 8 miles to get from school to her apartment. Gloria took the bus from school to the closest bus stop to her apartment and then walked the remaining 880 yards home.

If 36 x 23 + 33 x 64 = 2,940, what is the variable: h? h x 23 + 64 x 10

A spherical-shaped water balloon has a surface area of 113.04 square inches. How many cubic inches of water will the balloon hold? Use 3.14 for π.

In "Pokemon Go", pokeballs cost $0.99 per 100 poke balls and great balls cost $0.99 per 50 great balls. 1. Mr. Underwood loves his "Pokemon Go". He wants to be the very best, like no one ever was. He bought 200 pokeballs for the upcoming event.

the marching band ordered 17 pizzas for a party. each party had 8 slices. lisa ate 7 of the slices. how many slices were left for the rest of the band?

Matilda has about 6 missing cases on her index of voting interest out of 1500 respondents. The best strategy for handling these missing case would be to:

Is the LCM of a pair of numbers ever less than both numbers explain with an example?

A garden store has the following miscellaneous bulbs in a basket: 6 amaryllis 7 daffodils 4 lilies 3 tulips A customer bought 4 bulbs from the basket, one of each type of flower.