Question

PLEASE PLEASE PLEASE HELP +30 POINTS!

find each product -7/9 x 3/5
a. -27/45
b. -7/15
c. 7/15
d. 27/45

-2/5 x -1 1/4
a. -1 1/10
b. -1/2
c. 1 1/10
d. 1/2

1 3/5 x - 3/4
a. -20/24
b. -9/20
c. -1 1/5
d. -1 9/20

-7/8 x - 1 3/7
a. -1 3/8
b. -1 21/56
c.1 3/8
d.1 1/4

Answer 1

1.option b

2.option c

3.option non (-39/20)

4.option a

Explanation:

1.

-7/9 x 3/5

`( - 7)/(9) * (3)/(5) \: \\ (3 \: and \: 9 \: are \: common \: so \: we \: can \: simplify them) \\ ( - 7)/(3) * (1)/(5) \\ ( - 7 * 1)/(3 * 5) = ( - 7)/(15)`

Answer 2

It is b, d, c, and d