Helene is finding the sum (9 + 10i) + (-8 + 11i). She rewrites the sum as (-8 + 11) i + (9 + 10) i. Which statement explains the property of addition that she made an error in using?

1=2323 x=2323 what will xe be if the eqation is x21=232x2312/232

Henry is considering purchasing a mountain bike. He likes two bikes: one costs $500, and other costs $600. He tells his dad that the bike is more expensive is more 20% more than the cost of the other bike.

Cameron cooks 3/4 pounds of pasta. if she serves the pasta in three equal size bowls, about how much does she put into each bowl?

Which of the following experssions are equivalent to 3/11? A: - 3/-11 B: - -3/11 C: None Of The Above

A rectangle parking space is m feet wide and n feet long. in the new design for the parking lot, each space will have its width increased by 1 foot and its length by 20%. a.) write a polynomial to represent the area of the new parking space. b.

Dad mows the lawn. he mows a length of 156 meters in 856 seconds. at what speed was he moving

While the bears were out, Goldilocks ate all but 3/8 of Papa Bear's big green cake off his plate. Then she ate all but 3/8 of the smaller pink cake on Baby Bear's plate.

If there was a circle and i wanted to find out the area. what is the area of a circle with a radius of 5

A patroman gives a driver a speeding ticket if the driver's speed is greater than 15% over the posted speed limits. if the speed limit is 40 miles per hour. what is the highest speed that a driver can go without receiving a ticket?

A bee hummingbird has a mass of 1.8 grams. How many grams are 6 hummingbirds and a 4-gram nest