If x+y = b and - x+3y=a, then what is y?

In the barn the ratio of chicks to sheep is 12:7 if there are 49 sheep how many animal are in the barn?

Liz earns a salary of 2,100 per month, plus a commisson of 5% of her sales. she wants to earn at least 2,400 this mknth. write an inequality to find Amoi t's of sales that will meet her goal. indentify what your variable represents

At camp summer fun 4 campers share each tent. the camp is expecting 331 campers. about how many tents will they need? will the number of tents they actually need be more or less than the estimate? how do you know?

14. Give the inequality -5 4 -3 -2 -1 0 1 2 3 4 5

What is the algebraic expression? The difference of a number q and 8

Quadratic equation whose roots are 6 and 4, and whose leading coefficient is 5.

How many numbers less than 1000 are divisible by 7?

What shape has 4 equal sides. and sometimes has 4 right angles

Together, selina and pam have 132 stamps. selina's collection has 34 more stamps than pams collection how many stamps does pam have

This morning, Bobby had $50 in his wallet. Then he got $40 in babysitting money. Which integer represents how much money is in Bobby's wallet now?