Miguel deposits $680 in an account that pays 3.5% simple interest. if he neither adds more money not withdraws any money, what amount will be in the account after 6 years?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

What is the circumference of a circle with an area of 50.24 cm²?

What is the gcf of 20c^3-5c^4+30c^6