A6-ft-tall person casts a shadow 5 ft long. a nearby tree casts a shadow 40 feet long. what is the height of the tree?

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.

Simplify the expression 10/11(22z) + (a+5) -1

Sum is 17 and their difference is 3