1.) if 60% of a number is 18, what is 90%of the number?
a.)3
b.)16
c.)27
d.)30
2. taryn's grandma took her family out to dinner. if the dinner was $74 and taryan's dinner was 20% of the bill, how much was taryn's dinner?
a.$6.80
b.$7.20
c.$9.50
d.$14.80

A80-foot piece of siding is cut into three pieces so that the second piece is four times four times as long as the first piece and the third piece is five times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces.

Find the value of the cosine for angle a

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.