Show that each wff is a tautology by using equivalences to show that each wff is equivalent to true

The 3 in 3.62 stands for 3

You can buy 3 t-shirts for 24. Write a proportion that gives the cost c of buying 7 t-shirts.

A car travels at the rate of x miles per hour for y minutes. which of the following gives the number of miles the car has traveled? a) x/y b) xy c) 60x/y d) xy/60 e) 60xy

An office supply store sells cubicle containers that can be used to store paper clips, rubber bands and other supplies

Is area and radius the same thing

1) A survey of favorite colors showed 198 people chose green, 212 chose blue, and 187 chose red. If 39% of the people surveyed are children, ABOUT how many people surveyed were children? (use a calculator - show all work!)

Clarence writes the number - 240 to represent the amount he owes his brother Joe. What numbers should Clarence use to represent the other amounts given above?

What is the sum of - 7 and its additive inverse?

Create a slope that will be parallel to the slope provided which is 5/9 what is the parallel slope?

A number x, rounded to 1 decimal place is 12.3 write down the error interval for x