Write the ratio 1.6 : 4 as a fraction in simplest form, with whole numbers in the numerator and denominator.

What's is the sum of 0.614 and 8.8

Charles invests $425 in a savings account that pays interest at an annual rate of 4 percent, compounded continuously. Approximately how much time will it take for his investment to double?

What energy is needed to get a reaction started a) adhesion energy b) activation energy c) cohesion energy d) chemical energy

A total of 563 tickets were sold for the school play. they were either adult tickets or student tickets. there were 63 more student tickets sold than adult tickets. how many adult tickets were sold?

The upper atmospheric temperature of the earth is 200°C. Every year it goes up by 4%. What will be the temperature next year?

Write the equation of the line whose slope is 1/3 and y-intercept is - 3. Write the answer in slope-intercept form.

Last week, Rick's Math Website had the following number of visitors: Monday = 250, Tuesday = 501, Wednesday = 260, Thursday = 490 and Friday = 711. About how many visitors came to Rick's Math Web last week?

For each cost function (given in dollars), find (a) the cost, average cost, and marginal cost at a production level of 1000units; (b) the production level that will minimize the averagecost; and c) the minimum average cost.

The sum of three numbers is 6. the third number is the sum of the first and second numbers. the first number is one more than the third number. Find the numbers

What is the final amount if 975 is increased by 1% followed by a further 9% increase? Give your answer rounded to 2 DP.