Is the number 4.277777777 ... rational or irrational

Combine like terms: 0.5 (x^4 - 9) + 13

A store is selling candy for $8 for 16 bags. How much will it cost if you need to have 84 bags?

The population of a certain geographic region is approximately 125 million and grows continuously at a relative growth rate of 1.59%. What will the population be in 5 years?

4m+2 (m-5) = 26 What USB the variable. Distribute first

Is 4 (1.5+s) = 6+4s always sometimes or never true

What is pi times 4 squared times 7

What is 8.49x10^-7 in decimal form? 0.0000000849 0.000000849 8,490,000 849,000,000

Travel Ez sells dollars at a rate of ($1.40) / (1 euro) and buys dollars at a rate of ($1.80) / (1 euro). At the beginning of a trip, Sophie exchanged $540 to get 300 euros.

What is the range of y = square root x+7+5?

Is to a solution of the equation 3x+6=6x?