There are 4 boys in a class of 13 students.

(a) What is the ratio of girls to boys?

(b) What is the ratio of girls to all students in the class?

8

X

5

?

Sandi buys 2 fewer packages of pencils than p packages of pens. Pencils costs $2.45 per package and pens costs $3 per package. What does the expression 3p + 2.45 (p - 2) represent? The expression 3p + 2.45 (p - 2) represents the A.

The actual distance between two cities is 2250 miles. The distance between the two cities on a map is 15 inches. What is the scale of the map? A. 1 in. : 15 mi. B. 1 in. : 105 mi. C. 1 in. : 125 mi. D. 1 in. : 150 mi.

Solve x2+7x+16=0 in quadratic formula

Which of the following is true about the function y=0.5 x 2^x

Carla has a credit card that uses the average daily balance method. For the first 15 days of a 31-day billing cycle, her balance was $2560, but then she paid off her entire balance and didn't make any new purchases.

Write simultaneous equations to describe the situation below, solve using substitution, and fill in the blanks. Dedra and Nick both went bowling last weekend, but not together.

Find the median of the data. 3, 3, 4, 5, 8, 10, 11 a 8 b 5 c 6.5 d 5.5

What is the total thickness of five spacers, each of which is 1.22mm thick?

A taxi company in New York City charges $3 per ride plus $2 for every mile Which equations models the cost of a taxi ride in New York City

A dilation is given by the transformation (x, y) - (.75x, 75y). What type of dilation is this A - enlargement B - it is not a dilation C - reduction