The ratio of girls to the total number of students in class is 4 to 7 how many students are girls if the class has 20 students in all? 4/7=/21

a.) 16

b.) 18

c.) 14

d.) 12

Which equation represents a line that passes through (2, - 1/2 and has a slope of 3? O y-2 = 3 (x + 1/2) O y - 3 = 2 (x + 1/2) O y + 2 / 2 = 3 (x-2) O y + = 2 (x - 3)

Select ALL the correct answers. Let f (t) be the amount of garbage, in tons, produced by a city, and let t be the time in years after 2000. Which statements are true for the given function? The dependent variable is f (t).

What is the minimum width recommended for spiral stairs? A) 26" B) 28" C) 30" D) 32"

Use the laws of logarithms and the values given below to evaluate the logarithmic expression. log7=0.8451 log5=0.6990 log3=0.4771 log2=0.3010 log (5/7)

Which graph models the equation y = 3.5x? A) A B) B C) C D) D

In Triangle LMN, angle N is a right angle, LM=76 and MN = 40. What is the measure of angle M?

Find the value of x if sin (3x-4) = cos (9x-50) A. x=3 B. x=5 C. x=12 D. x=8

How many pounds are there in an ounce?

There are 4 red marbles and 3 blue marbles in a bag. Once a marble is drawn it is not replaced. Find the probability of drawing two red marbles in a row.

The lines below are parallel. if the slope of the green line is - 3 what is the line of the red line