In a group of 42 children there r twice as many boys as girls how many girls r there

What is (-2/5) - 4/5 + (-9/10) =

Rose, went to the store to purchase a 35 ft and 50 ft cable. If the cable cost $1.50 per foot, which of the following expressions could she use to calculate her total cost for the cable?

If P (A) = 0.50, P () = 0.40, and P (AuB) = 0.15 a=0.55 b=0.65 c=0.90 d=0.75

A boat travels 224 miles upstream in 8 hours. The next day it returns the same distance in 7 hours. Assuming the current remained the same both ways, write and solve a system to determine the speed of the boat in still water and the currant of the

Solve for a. You must write your answer in fully simplified form. 10 = - 4a

The standard length of a pencil is 19 cm long. What is the approximate length of a pencil in inches?

The weights for a population of North American raccoons have a bell-shaped frequency curve with a mean of about 12 pounds and a standard deviation of about 2.5 pounds.

When Joanne checked her work by substituting the value of the variable back into the equation, she got an answer of 12.34 = 12.33.

Given the function f (x) = 4 (x + 1) ^2 - 3, indicate the shifts that will affect the location of the vertex, and explain what effect they will have. Use complete sentences. -f (x-2) -f (x) - 2 -f (2x) -2⋅f (x)

A defective digital clock is slow and the clock loses 25 minutes a day. at noon on the first of october, it is set to show the correct time. when will this clock next show the correct time?