Afarmer has a square field that measures 100 yards on side. the field had a watering system that sweeps a large circle from the center of the field. the arm of the watering system is 50 yards long. what percentage of the field is watered?

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two