Is it in scientific notation? Answer Yes or No i. 32.7x107
ii. 0.72x10-8
iii. 5.4EE7
iv. 9.7x104

Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?