In 4 hours, the temperature steadily fell from 0°F to −12°F. What was the opposite of the average change in temperature per hour? HELP NEEDED NOW PLEASE

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.