Two tonnes of gravel mix contains river stone and blue metal in the ratio 3:7. How many more kilograms of blue metal are there than river stone?

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8