John went to a deli on his lunch hour. He bought 1.3 lb. of roast beef and 0.6 lb. of cheese. Both were on sale for $3.99 per pound. To the nearest cent, how much was John’s total at the deli?

If John paid with a $10 bill, how much change did he receive?

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jame pay at the end?

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

What is the inverse of the function f(x) = 2x + 1?