Answer: 9
Step-by-step explanation: Basically what f(-2) means is -2 = x. So you put in -2 wherever x appears. This would turn the equation to -3(-2) + 3 which goes to 6+3.
42.5 percent
Subtract 130 and 87.50
20 and 10, 20 is 2 times 10 and if you add them together its 30