The altitude a of a plane t minutes after liftoff is given by a=3300t+450. How many minutes after liftoff is the plan at a n altitude of 23,550 ft.

Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

Write the sentence as an equation. b increased by 281 is d

Which represents the inverse of the function f(x) = 4x? h(x) = x + 4 h(x) = x – 4 h(x) = x h(x) = x