4. However, you can do this in a Calculator.
Answer: 132
Step-by-step explanation: I just took the test
Answer:
slope is 
Step-by-step explanation:
1,-1 -3,2 are two points on the graph
the equation to find slope is 
so 
or you can count how many places it changed in the equation 
Answer:
Its 6/3
Step-by-step explanation:
4t+6s=4524
t+s=925
Multiply the second equation by -4 to cancel the variable t
4t+6s=4524
-4t-4s=-3700
2s = 824
Divide both sides by 2
S= 412
925-412= 513
T=513