What is -3x-9y+15x+ equal

Using the paced decision making model select the best tires for ray show your work

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )