Which of the following is a complex number?

A. - 7

B. 2 + square root of 3

C. 4 + 9i

D. pi

Given the linear equation y = mx + b, which variables represent the dependent and independent variables?

A middle school keeps track of its population. In 2011, the school population was 1500 students. In 2012, the student population had increased by 10%. In 2013, the student population had decreased by 10%.

The average cost for a gallon of gasoline increased from $2.04 one year to $3.20 the next year. What is the percent of increase, rounded to the nearest whole number? A. 36% B. 49% C. 55% D. 57%

Bill wants to be at school at 8:05 A. M. It takes him 20 minutes to walk to school. At what time should bill leave his house

On Friday, the temperature in a town at 5:00 p. m. was 7° F, which was 13 degrees warmer than at 9:00 a. m. On Friday, from 5:00 p. m. to 11:00 p. m., the temperature changed an average of ¯ 1.25° F each hour.

Choose the correct mixed number for the quotient. 38 : 5 = 7 R3 A) 7 5/3 B) 7 3/38 C) 9 4/85 D) 7 3/5

Which dot plot represents this data set? 14, 15, 14, 19, 15, 15, 19, 12, 12, 12, 15, 17, 11, 17, 16, 18, 18

What's greater 3 fourths or 2 fourths

Cuanto es un feet en ce centimetros

Sam paid $8.25 for 18 stamps. At this rate, how much would it cost Sam to buy 12 stamps