Sible: 7 Andrea is buying some new shirts and sweaters. She is able to buy 4 shirts and 10 sweaters for $186 or she is able to buy 6 shirts
and 9 sweaters for $177. How much does a shirt cost? How much does a sweater cost?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?