10^-x=3^2x what is the answer

12 out of 18 students buy pizza for lunch on Fridays. At this rate if there are 240 students in the entire school, how many students can be expected to buy pizza for lunch this Friday?

How many individual pieces of cheese, each weighing 1/4 Ib, can be cut from a block of cheese weighing 5 pounds?

A jet airplane cruises at a speed of 540 mi/h. write and solve an equation to find how far it travels in 15 minutes.

Jason has 8 violet marbles Dan has 9 violet marbles how many violet marbles do they have in all

Lauren took 12 hours to read a 360 page book. At this rate, how long will it take her to read a 400 page book?

A rectangle has length (4x+ 5) and breadth 3x. Find the area of the rectangle.

A pattern has 1,000 identical circles. If 665 of the circles are orange, what decimal represents the part of the pattern that is orange? Why? A. 665 B. 66.5 C. 6.65 D. 0.665

3.) What is h (5) ? What does this mean?

I was wondering how to find these things about the Singapore flyer (ferries wheel) ? The measure of the central angle in degrees, the measure of the central angle in radian, the arc length between two cars, and the area of a sector between two cars?

What is Charlotte has 12 T-shirts one fourth of her two shirts are green how many of charlottes T-shirts are green?