Evaluate each expression for 3,6,8

What value of x satisfies the equation 7x+1=2.4?

There are feet in 15 miles

A landscaper charges an hourly rate to do yard work. This afternoon, the landscaper worked 3 hours and was paid $84. Part A: Write an equation that can be used to find y, the amount the landscaper gets paid working x hours.

At a supermarket a 6 ounce bottle of salad dressing costs $1.56. A 14 ounce bottle costs $3.36. A 20 ounce bottle costs $5.60. Which bottle has the lowest cost per ounce

Vivkie earned $6 an hour while working 11 hours over the weekend. She put 1/3 in her savings account. Find how much she put into the account.

What is 66% of 1,000 plus 7.5% tax

if a committee of 4 is to be chosen at random from the class of 11 students what is the probability of any particular commuter being selected. (fraction form)

Complete this statement 36x^3a + 45xa^2=9a ()

80% of what is 21.6? i

Explain how the bar model was used