I NEED THIS ANSWER PLEASE LAST QUESTION FOR EXAM PLEASE SHOW WORK

x = 8

Step-by-step explanation:

b². b⁵ = b¹⁵/ bˣ

b²⁺⁵ = b¹⁵⁻ˣ

2 + 5 = 15 - x

7 = 15 - x

x = 15 - 7

x= 8

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.

the answer would be  

a.

3: 1

step-by-step explanation: