Will all parallelograms have diagonals that are lines of symmetry? If so what shape? And explain.

Dylan has 765 cards in his baseball card collection. He sells 153 of the cards. What is the percent of decrease in the number of cards in the collection?

Evaluate 15 times 7 - 4

Virgil has 1/6 of a bday cake left over. he wants to share with 3 friends. what fraction of the original cake will each of the four people receive?

Joey has 30 pages to read for history class tonight. He decided that he would take a break when he finished reading 70% of the pages assigned. How many pages must he read before he takes a break?

2. i need the answer to a and b A stone is an English measure of weight. There are 14 lb in 1 stone and 2.2 lb in 1 kg. A certain person weighs 9 stone.

A bank loaned out 17000 part of it at the rate of 7% per year and the rest 15% per year. If the interest received in one year totaled 2000, how much was loaned at 7%?

Two trains leave the station at the same time going in opposite directions. one of the trains travels at 90 mph and the other is traveling at 120 mph. after how many hours will they be 735 miles apart?

A grocery store chain has been tracking data on the number of shoppers that use coupons. The data shows that 71% of all shoppers use coupons. 18 times out of 20 these results were considered accurate to within 2.5%.

Marisol bought 3 pairs of shoes that cost $38 each the tax rate was 8% how much did Marisol pay

What is the remainder of 185 and 6