The diagram shows trapezium OACB. ОА = За OB = 6b AC = 4b
N is the point on OC such that ANB is a straight line.
Find ON as a simplified expression in terms of a and b.

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Find the quotient. 50a2 – 98b2 -5a +7b