Giving brainliest! NO SPAM ANSWERS! Estimate the difference by rounding each fraction or mixed number to the nearest half or whole.

3 1/8 - 7/12

3^ 1/2

3

2^ 1/2

2

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items