Step by step linear combination. 3x+2y=-4 4x-y=13

The solution is the point (2,-5)

Step-by-step explanation:

we have

------> equation A

------> equation B

Multiply equation B by 2 both sides

------> equation C

Adds equation A and equation C

Find the value of y

substitute the value of x in equation A

The solution is the point (2,-5)

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24

a precentage of 6th graders. the population is all 6th graders. let me know if i'm wrong, i hope this ! : )

step-by-step explanation: