What is 1+2-3*4:5+6-7*8:9

Which of the following is least 0.105 0.501 0.015 0.15 and why

Earth weight is 5.9736 x 10^24 Kg and Venus is 4.8685 x 10^24 Kg. What is the combined weight of Earth and Venus? a) 10.8421 X 10^26 Kg b) 10.8421 x 10^23 Kg c) 10.8421 x 10^25 Kg d) 1.08421 x 10^25 Kg

The radius of a regular decagon, a 10-sided figure, is 15 units. The length of one side of the polygon measures about 9.3 units. What is the approximate area of the regular decagon rounded to the nearest tenth?

You accept a job with a salary of $35,800. After 6 months, you receive a 4% raise. What is your new salary?

1/3x + 5 ... x = - 6 it is equal to what?

9. A triangle has a perimeter of 90 centimeters. a. Write and use a linear system to determine the lengths of sides l, m, and n. _=m-n b. Is the triangle a right triangle? Explain. m = 5n - 5

suppose two trains leave a station at the same time, traveling in opposite directions. One train travels 10 miles faster than the other. In 2.5 hours the trains are 205 miles apart

There are 36 people waiting in line for a hay ride. only 6 people can ride on each wagon. If each wagon is full how many are needed for all 36 people?

Is 4 hours worked for $12; 7 hours worked for $28 and equivalent rate or a ratio?

Marissa bought a car for $22,000. The value of the car is decreasing at a rate of 10.5% every year. After 5 years, the value of the car will be about how much? Round to the nearest whole dollar.