What values of x and y satisfy the system of equations {8x+9y=−36x+7y=1?

In what organelle does photosynthesis take place?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

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