A parent rewards a child with 50 cents for each correctly solved mathematics problem and fines the child 30 cents for each incorrectly solved problem. if the child nets $22.00 after 100 problems. how many problems were solved correctly?

Sasha is cutting a cake into 42 equal-sized pieces. If 14 people want cake, then they can each have 3 slices. And if 21 people want cake, then they can each have 2 slices. What is the constant of proportionality in this inverse variation?

The students in Ms. Lorenzo's class collected the following numbers of bottle caps: 10, 20, 40, 50, 30, 10, 60, 10, 2040, 30, 30, 50, 70, 50, 70, 60, 30 a. Make a dot plot for the data. b. What is the median? c. What is the mean?

Indicate by true or false whether the following equation is quadratic. (x + 3) (x - 4) = 8

Add. 56+234 Enter the sum in the box as a mixed number in the simplest form.

The sum of a negative number, 1/4 of the negative number, and 7/16 of the negative number is - 13 1/2. what is the negative number. ok now how do u solve that and what is the answer?

The perimiter of a rectangle is 46cm. The area is 90cm2. What are the lengths of the rectangles sides.

You live 3 1/2 miles from school. In the morning, you walk 1/4 mile directly toward school to take the bus. After school, you walk home the same distance when the bus drops you off. How many miles do you ride the bus to and from school each day?

The equation 8w+4 = 76 models how many weeks, w, it takes a student to save for a new video game. If the student saves the same amount of money each week, how many weeks does it take the student to save for the new video game?

The sum of two numbers is 50 and their difference is 4

What is 5 + (3y x 5x)