Tyler's grandparents give him $3,000 in savings bonds at birth. If Tyler cannot cash out the savings bond until he turns 21, how much money will Tyler receive if he cashes it in on his 21st birthday?
Just put the amount to the nearest hundredth

Can someone me and do the problem plz so i can understand it more better

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96