The ratio of boys to girls in history class is 4 to 5. How many girls are in the class if there are 12 boys in the class. Show your work and Explain

What is the slope of the line that passes through (1,4) and (1,-3)

Derive the equation of the parabola with a focus at (2, - 1) and a directrix of y = - one half. f (x) = - (x + 2) 2 - three fourths f (x) = (x + 2) 2 + three fourths f (x) = - (x - 2) 2 + three fourths f (x) = - (x - 2) 2 - three fourths

Solve using the area model 92*5

Find 5x - 3y - z if x = - 2, y = 2, and z = - 3 Select one: a. - 19 b. 19 c. 13 d. - 13

A green and a red die are tossed. what is the probability that a 4 shows on the green die and a 5 shows on the red die.

Which mathematical expression is equivalent to the expression ''nine less than six times the number T''

Find a number that is greater than 0 and less than 1,000 that is closer to 500 than 0 and is closer to 200 than 500

The number of visitors to an annual neighborhood carnival increased each year as shown in the table. Predict the number of visitors in 2018, assuming the increase continues at this same rate.

Annual compounding pays more money than daily compounding.

What is the function rule for the perimeter of a building with a rectangular base if the width is two times the length