Ok math smarties: Billy has 2 more green marbles than blue marbles. In all, he has 15 marbles. How many blue marbles does he have?

Ben bowled 124 and 188 in his first two games. What must he bowl in his third game to have an average of at least 160 ?

For v^n = z, if z = 1, then v is an nth root of unity. True or False?

Does 4/7, 24/35 form a proportion

In a hybrid corn research project, 150 seeds were planted, and 110 of them germinated. Find the empirical probability that any particular seed of this type will germinate.

Ben adopted 2 cats and 3 dogs. He spent a total of $455. If each dog cost him $82, how much did one cat cost him?

15%of $30 as a decimal

The ordered pairs model an exponential function, where j is the function name and e is the input variable. { (1, 10), (2, 50), (3, 250), (4, 1250) } What is the function equation in sequence notation?

Simply and reduce to lowest terms a + [a + b - a - (2a - b) ]

What percentage of a data set is represented as Q1?

Danielle can solve 4 problems in 12 minutes. At this rate, how many can she do in 18 minutes?