Diameter is UF
answer is B. UF
Study hard and take the test slowly. rushing will make you get all the wuestions wrong. if you need more advice, message me.
2x+4=7 subtract 4 from both sides
2x=3 divide both sides by 2
x=3/2
x=1.5
Substitute 1 for d. d+18=1+18=19