A boy walks 1000 m at an average speed of 4 km / h and then runs 22 km in 10 minutes.

A) Calculate his time in minutes he takes to walk the I000 m

B) his running speed in kilometres per hour

C) his average speed for the whole distance

My state's lottery has 30 white balls numbered from 1 through 30 and 20 red balls numbered from 1 through 20. In each lottery drawing, 3 of the white balls and 2 of the red balls are drawn.

5/10 is the same as

4) An electrician charges $80 an hour for weekday repairs and $120 for nights and weekends. Last week, the electrician earned $4800 for 50 hours of work. Which system of equations can be used to find how many hours were worked on weekdays?

An electrical repair team of 6 electricians completes a job in 3 hours. How long should it take 2 electricians working at the same rate to do the same amount of work?

Which polynomial represents the difference below? (8x^2 + 9) - (3x^2 + 2x + 5) A. 5x^2 - 2x + 4 B. 5x^2 - 2x + 14 C. 11x^2 - 2x + 4 D. 11x^2 + 2x + 14

2x + y = 10 -4x + 5y = 22

How is multiplying 0.3 by 10 like multiplying 0.3 by 0.01? how is it different?

Long division with 489

How do you do this step by step [3 (c-4) - 5 (c^2+4c-8) ]

How many times greater is 10 cubic yards tha. 5 cubic yard