It takes 2/5 yards of make a shirt. how many yards will it take to make 7 shirts? is 3 yards of material enough for the 7 shirts? how do you know ?

Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

Plot the intercepts to graph the equation