Answer:
I think it should be the 1st one
Step-by-step explanation:
sorry if it is wrong hope it helps
If all the angles add up to 90 degrees then you can set the equation 7x-9*2x=90
Simplify
9x-9=90
Plus 9 both sides
9x=99
Divide by 9 on both sides
X=11
Hi friend
3868000000 in scientific notation is : 3.868* 10^9
I hope that's help:) Please rate
If you have any further questions please let me know.Thx
Because y varies inversely as x, therefore

where k = constant.
When x = 6, y = 2.5. Ther efore

Cross multiply.
k = 6 x 2.5 = 15
The equation is

When x = 4, obtain

Answer: a. 3.75
Answer:
5p+5q
Step-by-step explanation: