What is the equation of a circle with center (5, -7) and Circumference = 12

A)
(−5)2+(+7)2=144

B.
(−5)2+(+7)2=36

C)
(−5)2+(+7)2=9

D)
(−5)2+(+7)2=12

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Which function has an inverse function? a. f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups