Astudent runs 100 meters in 11 seconds. what is the speed of the student? use the following formulas: speed = distance/time; 1 mile = 1609 metersa.) 9.1 miles per hour
b.) 16 miles per hour
c.) 20.3 miles per hour
d.) 24 miles per hour

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?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Use sigma notation to represent the following series for 9 terms.