Algebra 2 Unit 1 Assessment Which of the following contains multiple variables?
4a + 5b + 1

4a + 5a + 1

4a - 1

4 - 1

Agrocery store has 12 lb of trail mix that is 10% banana chips. the store's manager would like to add banana chips to bring the new mix up to 25% banana chips. write and solve a system of equations to find out how many pounds of banana chips manager needs to add.

The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06

4+(2+x) can you me solve this problem