A savings account deposit of $150 is to earn 6.5% interest. After how many years will the investment be worth $450? Use y = a(1 + r) and round to the nearest tenth.

Akitchen floor is made up of tiles that are in the shape of the triangle shown there are 40 tiles on the kitchen floor what is the total area of the floor

What is the number 321,000,000 in scientific notation? also what is the number? ?

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.