Which is bigger 6400km or 4300000m? By know much? Explain your answer?

What is the maximum value of 2y + x in the feasible region?

A jet flies from New York to Los Angeles, a distance of 2,450 miles, and then flies back. The speed from NY to LA was 140 mph faster than the speed from LA to NYIf the total time in the air was 12 hours, what was the jet's speed from NY to LA?

One and five twelves minus five sixtes

Lorenzo rides his bike at a rate of 5 yards per second. About how many miles per hour can Lorenzo ride his bike?

Sally gave her brother $3.95 in quarters and dimes. If the number of quarters is 6 more than the number of dimes, how many quarters did Sally give her brother?

What are system of inequalitues

Your favorite restaurant offers a total of 14 desserts, of which 8 have ice cream as a main ingredient and 12 have fruit as a main ingredient. Assuming that all of them have either ice cream or fruit or both as a main ingredient, how many have both

Calculate the total with 6% sales tax and 18% tip for a dinner that costs $27.58

Sonya has 5 sandwiches. she cuts each sandwich into fourths. How menu 1/4 size sandwich pieces dose she have

Which of the following measurements is the smallest? a. one millimeter b. one meter c. one hectometer d. one decimeter?