At 6 a. m. the temperature was -8°C. At noon the temperature was 3°C. What was the change of temperature between 6 a. m. and noon?

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.