What is the correct sums 7 hundredths + 7 tenths
， 7 tenths + 70 hundredths
， 1 tenth + 17 hundredths
， 10 tenths + 4 hundredths
， 11 hundredths + 8 tenths

， options 177\100 91\100 140\100 77\100 27\100 104\100

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212