What is the slope of a line that passes through points (-1, 4) and (4, 9)?

1. 3/5
2. -1
3. 5/3
4. 1

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?