Solve the equation 5x+4=7

Kellen 's boat travels 15 mph. find the rate of the river current if she can travel 2 mi upstream in the same amount of time she can go 4 mi downstream. (let xequalsthe rate of the current.)

21 is 42% of what number

Write three ordered pairs for a direct variation relationship where y = 12 when x = 16

X value in the solution to the systems of equation y=14x-6 y=-4x+48

The B-Clean Car Wash washed 128 cars in the 3 hours. At that rate how many cars can they wash in 8 hours? use a proportion.

What is 4/5 + 3/10 equal

What is 3.92400 times 10 to the 5 in scientific notation

How do you multiple the following (x-8) (x-7)

What is this 3*0.33 I don't no

Angle angle B is half the size of angle a the measure of angle C is equal to 1 less than 2 times the measure of angle B the sum of the angle a and angle B is 114 can the three angles form a triangle why or why not