1.
Translate ''the circumference of a circle is two times pi times the radius'' into an equation, inequality, or formula.
A.
B.
C.
D.
Hint
2.
Translate the sentence into a formula. The area of a trapezoid is equal to one-half times the sum of the bases times the height.
A.
B.
C.
D.
Hint
3.
The formula to find the area of a trapezoid is
where
are bases and
h
is the height. If the area of a trapezoid is 42,
and
h
=3, what is the length of
A.
24
B.
32
C.
4
D.
28
Hint
4.
Sam needs $400 for a bike. When he has saved 3 times as much as he has, he will need $28 more to reach his goal. How much does he have saved?
A.
$124
B.
$1116
C.
$143
D.
$96
Hint
5.
Dana added 6 to her age, multiplied that by 3, subtracted 7 and then divided by 5. The result was 16. How old is Dana?
A.
21
B.
37
C.
35
D.
23
Hint