A ball was thrown upward into the air. The height, in feet, of the ball above the ground t seconds after being thrown can be determined by the expression -16t² + 40t + 7. What is the meaning of the 7 in the expression?
An angle measures 2.4 degrees less than the measure of its complementary angle. What is the measure of each angle?
James’ dad is 5 times older than James, and James is twice as old as his sister Sara. In two years, the sum of their ages will be 58. How old is James now?
The player of a trivia game receives 100 points for each correct answer and loses 25 points for each incorrect answer. Leona answered a total of 30 questions and scored a total of 2125. Find the number of correct and incorrect answers that she had.
At Mom’s diner, everyone drinks coffee. Let ? = the event that a randomly
selected customer puts cream in their coffee. Let ? = the event that a randomly
selected customer puts sugar in their coffee. Suppose that after years of
collecting data, Mom has estimated the following probabilities:
?(?) = 0.6
?(?) = 0.5
?(? ?? ?) = 0.7
What is the probability that a randomly selected customer puts both sugar and
cream in their coffee?
Round your answer to one decimal place.
(4x − 1) + [3x(5x + 2)]
Which expression is equivalent to the given expression?
One number is 2 more than 3 times another. Their product is 16. Find the numbers.
The lengths of three rods are 6 cm, 9cm, and 11 cm. How can you see those rods to measure a length of 14 cm?
Today (Week 0), a certain flower is 0.75 foot tall. Each week, the flower will grow 25% taller than it was the week before. Write a function, where t is the number of weeks from today and h(t) is the predicted height after t weeks from today.