Question

1. change .84 to a fraction, reduced
2. 3xy if x=6 and y=-4
3. -2(x+y) if x=6 and y= -4
4. p=21+2w, if l=10, w=6 1/2
5. a=1/3 bxh if b =10 and h=8

Answer 1

Answer:

1. 21/25

2. 72

3. -4

4. Typo?

2I+2w= 33

21+2w=34

5. Dont understand this question withought context

Step-by-step explanation:

1. 84/4 and 100/4 is 21/25

2. 3(6)(-4) miltiplication

3. worry about parenthesis first, a positive plus a negatative goes to minus so 6-4 then multiply 2 times -2 and get -4

4.

2I+2w is 2(10)+2(6.5)

21+2w is 21+2(6.5)