There were 29 blue cars and 31 red cars on the street. How many cars are on the street? Write the strategy you use to solve the problem

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below. the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Tom drove 206 miles in 3.9 hours. estimate his average speed.