Expansion joint. The width of an expansion joint on the Carl T. Hull bridge is a linear function of the temperature
of the roadway. When the temperature is 90°F, the width is
0.75 inch. When the temperature is 30°F, the width is 1.25
inches. Express w as a linear function of t. What is the
width of the joint when the temperature is 80°F?

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?