Molten lava 50-feet thick cools at a rate of about 20 degrees Fahrenheit per month. What is the overall change in temperature of molten lava that is 50-feet think after four months?

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

The suare root of 9x plus 7 plus the square rot of 2x equall to 7