Solve for x: 1/2+4/2x=x+4/10
1.x=-4
2.x=5
3. x=-4 and x=5
4. no solution ​

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height