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Find the simple interest earned to the nearest cent for each principal,interest rate,and time 735 7% and two and a half years

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125