Answer:
she tips $9
Step-by-step explanation:
Answer:
114.24°
Step-by-step explanation:
7(15)+6= 105
3(15)= 45, now we plug it in the formula, 

so now we square root it
= 114.24
6 over negative 10, because you just multiply the numerator and denominator by 2
Answer:
some circles are similar to a circle with a radius unit of 1
Step-by-step explanation:
(x-a)²
4.true
5.false
6.true
7.true
8.true