Estimate the difference between 486 and 223 to the nearest ten

2 2? how do you do the work?

Factor each completely. if non-factorable, write"non-factorable".

Maximize Q = xy^2, where x and y are positive numbers, such that x + y^2 = 4.

Matt and Cat win £120 on the lottery and decide to share the winning ratio 1:2

Carlos worked at a farmers market on 4 summer weekends. He worked 5 hours on Saturday and 4 hours on Sunday. How many hours did Carlos work in all a the farmers market? Explain how you know your answer is reasonable.

If f (x) = startfraction 6 over x endfraction, then what is the slope of f (x) at x = 8?

2. The accessory choices of 143 people are recorded in the table. wearing a watch no watch wearing a belt 62 32 no belt 29 20 Create a relative frequency table that could be used to show the percentages of belt wearers who wear a watch or not, as

Theresa is considering a 7/23 balloon mortgage with an interest rate of 4.5% to purchase a house for $204,000. What will be her monthly payment for the first 7 years of the balloon mortgage?

Each month, Daniel budgets $1120 for fixed expenses, $600 for living expenses, and $140 for annual expenses. His biweekly net income is $840. Which statement best describes his monthly budget? It shows a surplus of $40. It shows a deficit of $40.

Name a pair of fractions th st use the least common detonator and are equivalent to 9/10 and 5/6?