How are 4:5 and 8:10 equivalent

Hello!!! Princess Sakura here ^^

Step-by-step explanation:

They are equivalent because if you take the 8 and divide it by the 4 you'll get 2. Then if you take the 10 and divide it by the 5 you'll get 2 again.

b. x + 1

step-by-step explanation:

i'am smart

the number of possible outcomes that do not show a 1 on the first spinner and show the number 4 on the second spinner is 2.

spinner 1 spinner 2

1                     1

1                     2

1                     3

1                     4

2                   1

2                   2

2                   3

2                   4   = not 1, and 4

3                   1

3                   2

3                   3

3                   4 = not 1, and 4

only 2 outcomes have passed the given condition.

step-by-step explanation: