Square root of -49 in terms of i

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?