Complementary angles are those angles whose sum is 90 degree.
The measurement of two complementary angles are

There sum have to be 90 degree. That is

Combining like terms ,

Moving 20 to right side

Dividing both sides by 5

So the measurement of the angles are

Answer:
You can do 60 ÷ 6 = 10 groups.
Step-by-step explanation:
There are many ways to answer this and it's very simple.
6 and 10 is just one of the many factors of 60.
you can also do 60 ÷ 2 = 30 groups
Answer:
So in other words, each week he works, he gets an additional $10, to add to his collection of really $75.
Step-by-step explanation:
so, he has $85 in savings, and that he has the opportunity to gain allowance by the following function of 10(x-1).
total funds(x) = 85 + 10(x-1)
T(x) = 85 + 10x - 10
T(x) = 10x + 75