Is 5a - 2a + 9 equal to 3a + 9

Ally worked 40 hours for $14/h. she paid $72.80 in federal tax, $34.72 in social security tax, and $8.12 in Medicare tax, and she had $30 taken out for retirement savings. what was her net pay

Round 421,906 to the nearest hundred thousand and to the nearest thousand

D = RT solve for d, if R = 30 and T = 2 I don't understand how to do this

A data set has the following characteristics: Mean: 4.9 Median: 6 Mode: 6 Variance: 4 The z-score is the number of

Kareem spent $8 less than Marco at the mall. Kareem spent more than $15. How much did Marco spend?

Mauricio purchased a car for 19,655. it depreciates about 4.7% each year. what is the value of the car after eight year?

How many times greater is the 8 in the hundreds than the 8 in the ones?

A cell phone store sold 450 newly released cell phones in three hours. This was 30% of the number of cell phones sold that day. How many newly released phones did the cell phone company sell that day?

Emma uses a 250 meter roll of crepe paper to make streamers. How many dekameters of creme paper does emma use?

Vasko was renting a high performance bike. Bike A is $25 per month and requires a down payment of $500. Bike B is $50 per month rent and requires a down payment $200. Which is cheaper after 6 months?