There is a string of green and white lights strong around a mirror. For every six green lights there are four white. If there are 30 green lights, how many white lights are there?

What is another way to write this number? 300 plus 70 plus 5/10 plus 8/100

1.6 hours to 0.95 hours

Factorise the following expression: 40 gr2 + 15rw

What is the final amount if 2162 is decreased by 3% followed by a further 3% decrease? Give your answer rounded to 2 DP.

Suppose the side length of a square A is 12cm and the side lengh of square B is 10cm. What is the area of square c If the three squares form a right triangle

Use the formula F=1.8C+32 to convert - 20° into fahrenheit.

Solve in the correct order: (-3 - 4) / - 9 A) - 7/-9 B) - 7/9 C) 7/9 D) - 1/9

Suppose a lab needs to make 400 liters of a 39% acid solution, but the only solutions available to the lab are 20% acid and 50% acid.

If the price is $40, the number of units sold is 450, and the average cost is $33, what is the profit?

Kevin borrowed $8000 at a rate of 9.5%, compounded quarterly. Assuming he makes no payments, how much will he owe after 6 years? Do not round any intermediate computations, and round your answer to the nearest cent.