Write 8389 in scientific notation.

Solve the system of equations below. 5x + 2y = 9 2x - 3y = 15

The ratio of men to women in a certain factory is 3 to 4. There are 204 men. How many workers are there

the total wages Jimmy makes at a local ice cream shop vary directly with the number of hours he works. He makes $8.50 per hour. find the number of hours it takes for Jimmy to earn $136

Gordan's front lawn measures 2,655 square feet. It takes him 9 minutes to mow it on his riding lawn mower. How many square feet does he mow in one minute?

Devin has 39 toys blocks. what is the value of the digital 9 in this number

Suppose you have the formula = $D$5*E5 in cell F5. When you copy the formula into cell F6 what will the new formula be? a. = $D$5*E5 b. = D5*E6 c. = $D$5*E6 d. = $D$6*E6

A gumball machine has contains orange, yellow, and purple gum balls is 3 over 4. the probability of getting a yellow gum ball is 1 over 6 What is the probability of getting a purple gum ball

Jackson spent 2 2/3 hours skateboarding at 4 different parks this week. he spent the same amount of time at each park. how long did he skateboard at each park

5. A blueprint is a scale drawing of a building. The dimensions of the blueprint for Penny's doll house are 1/4 of the measurements of the actual doll house. The floor of the doll house has an area of 864 square inches.

When Jaylen started high school, 1,430 students attended his school. On the day of his graduation, only 1,001 students attended his school. The number of students who attended Jaylen's school decreased by