A teacher buys 50 train tickets for a school trip for a total cost of $1,200. She buys x number of student tickets for $20 each. She also buys y number of adult tickets for $30 each. How many adult tickets did she buy?

The theater group took a survey about the type of popcorn they should sell during plays. They randomly surveyed 52 students at lunch.

If there is a strong correlation between the variables a and b, a must cause b A. True B False

A store has apples on sale for $3.00 for 2 pounds. How many apples can you buy for $9.00? I got about 18 apples, is that considered correct?

The side lengths of a triangle are 5,3, and 4. Is this a right triangle

The quadratic formula gives which roots for the equation 2x^2+7x=-2

If x=7+root 40, find the value of root x+1by the root of x

The last time andy went bowling he had a mean score of 158 per game. After 3 games Andy has a total score of 473 He thinks he needs to score over 160 in game 4 to get a mean score greater than 158. Is he correct? Show a check of working

8*{[ (7+4*2-[ (11-7) * 4]}

If the legs of a right triangle have lengths of 4 and 5 units what is the hypotenuse

What are the x-coordinates of the ordered pairs (1,8) and (4,3)