60 because .7 times 60 equals 42 therefore the answer is 60
Answer:
a hollow cylinder
Step-by-step explanation:
the answer is a hollow cylinder
since the revolution only takes care of the curved surface area
Answer:
x=x+2
Step-by-step explanation:
Ok. So she wants to advertise that there are 100 different dolls available. If she adds another category, then at most she already had 99 different types. If I'm right (don't take my word for it) but the minimum she would have to have is one. <span />
f(x) = 3x + 5/x
f(a + 2) = 3.(a + 2) + 5/(a + 2)
Alternative C.