Ruben bought 6 new books for his collection. This increase his collection by 12%. How many books did he have before his purchase?

Find two square numbers that have a sum of 130

Which description best fits the distribution of the data shown in the histogram? skewed right uniform approximately bell-shaped skewed left Histogram with vertical axis ranging from 0 to 14 labeled Frequency. For 0 to 49, the bar height is 2.

Kyra has £60 more than Donna. Donna spends 1/3 of her money. Kyra now has twice as much money as Donna. How much did Donna spend?

Line BD bisects angle ABC. Line ABC = 8x. Line ABD = 2x + 22. Find line DBC

Find two numbers, if sum is 3 and their difference is 21

A stories giving a $10 coupon to every 7th person that enters the store and a $25 coupon to every 18th person to enter the store. Which person will be the first to get both coupons

in geometry, two lines are parallel if they are in the same plane and never intersect. Take the mathematical concept of parallel lines and apply it to non-mathematical situations or objects.

When deciding to model a situation with 3D figures, what are the most important things to remember?

Find g[h (x) ] and h[g (x) ] 2. g (x) = -3x h (x) = 4x - 1

1. In what country did the government debate the merit of teaching students quadratics? 2. What modern technology would not be possible without quadratics? (hint: I have one at my house.) 3. What great ideas did the Babylonians come up with? 4.