Item 10

The spheres are similar. The surface area of the blue sphere is 1809.6 square meters. What is the surface area of the red sphere? Round your answer to the nearest tenth.

The product of - 8 and a number is the same as the square of - 4.

Rounded to the nearest hundred thousand to 400,000

T (-4t^3 + 8t^2) polynomial

What's the sum of 3⁄8 and 1⁄16?

The sum of the angle measures of a polygon with n sides is 540. Find n. no

Jerry has two same size circles divided into same number of equal parts. One circle has 3/4 of the party shaded and the other has 2/3 of the part shaded. His sister says the least number of pieces each circle could be divided into is 7.

An alloy is composed of nickel, zinc, and copper in a5:4:8 ratio. How many kilograms of each metal are needed to make 3.4 kg of this alloy?

A scientist inoculates mice, one at a time, with a disease germ until he finds 2 that have contracted the disease. if the probability of contracting the disease is 1/6, what is the probability that 8 mice are required?

You want to buy some rice. A 7-ounce package costs 2.59. A 12 - ounce package costs $4.56. An 18-ounce package costs 6.30 which package is the Best Buy?

Kenya is reserving a room in a hotel in France where they use euros (€). The room charge is €75. Suppose the conversion rate is €1 = $1.298. What is the cost of the room in dollars? $57.78 $77.56 $97.35 $129.80