4. Calculate using the order of operations.
a) (+30) / (-10) + (-20) / (-1)

What 2 forces allow things to fall ‍♀️‍♀️

Solve the system of equations. y= 2x y= x^2 - 15

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test