In one grade of 150 students the ratio of boys to girl is 2:3. How many boys are in that grade?

Which of the following properties of equality allows 7 (x - 1) to equal 7x - 7?

Cherries cost $4/lb. Grapes cost $1.50/lb. You can spend no more than $9 on fruit, and you need at least 3 lb in all. Create a graph showing the amount of each fruit you can buy.

Find the range, median, and third quartilles, interquartile range, and any outliers for each set of data.

Solve for v: - 8 (v - 6) + 7 ≤ - 7 (v + 1)

Find the selling price of a $450 painting with 45% markup

Over what interval is the graph f (x) = - (x+8) 2 decreasing?

What is 6/8 in simplest form?

Give a description of a3/4 turn of the minute hand on a clock face

If 160% of something is 40 what is 100%?

In a high school graduating class of 100 students, 54 studied mathematics, 69 studied history, and 35 studied both mathematics and history. if one of these students is selected at random, find the probability that: