Need instructions on how to change 8 3/9 to an improper fraction

If two dice are rolled compute the probability of rolling doubles

Don a construction worker earns $18.35 per hour he worked his regular 36 hours this week he also worked 15 hours at a part-time job building decks at $15 per hour what is his total straight time pay for both jobs last week

Maria started with $10. She has been saving $3 dollars each week to buy a softball bat. The amount of money Maria has depends on how many weeks she has been saving.

Rohan invested £3000 for 4 years in a savings account. He was paid 2.5% per annum compund interest. How much did Rohan have in his savings account for 4 years?

What is the value of the exptesion below 2[32 - (4-1) 3]

78% of what number is 117?

The coefficients of the expression 2x^3-5x^2+x are:

Tuna provides 30 calories per ounce. On a graph representing the relationship between the number of ounces of tuna a person consumes and the number of calories the tuna provides which quantity should be graphed on the x-axis

You can afford monthly deposits of $190 into an account that pays 2.7% compounded monthly. How long will it be until you have $5,700 to buy a boat? Type the number of months: (Round to the next-higher month if not exact.)

Evaluate - 2a^2 if a = - 5/2 -25 -12 1/2 25 12 1/2