Can you finish this sequence of numbers-8.1,( .1,-2.1,( )

The two missing numbers are -6.1, and -0.1

Step-by-step explanation:  This is because every time, you are adding 2 (to a negative number), and -8.1 + 2 = -6.1        -2.1 + 2 = -0.1

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9