Sunny side middle school has ten sixth grade classes. two of the classes have both band and chorus. what percent of the sixth grade classes have both band and chorus?
a: 2%
b: 10%
c: 20%
d: 40%

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle