During a sale at the market, steaks sold for $4 and watermelons sold for $3.50. Luca spent $23 and bought a total of 6 steaks and watermelons. How many of each did he buy?

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

Acircle has a circumference of 28.36 units what is the diameter of the circle

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.