Solve on the interval 0 ≤ θ < 2π

Cos (2θ-π/2) = - 1

A 12 foot ladder is placed against a wall. The bottom of the ladder is 4 feet from the wall. How far up the wall does the ladder reach? Get Round only the final answer to the nearest tenth.

Which is a solution to the equation 3x2 + 2x - 20 = 2x2 + 15?

Ms. Taylor wants to donate fourteen percent of her paycheck to the Mountain Springs Hospital for Children. If her paycheck is $801.00, how much should she send to the Mountain Springs Hospital for Children?

1. The sum of 14 and a number is equal to 17.

A quadrilateral has only 2 right angles and 1 pair of parallel sides. what is the name of the quadrilateral?

Luke mowed a lawn today to earn some extra money. He spent $2.10 on fuel and $4.45 on lunch. He charged $13.50 to mow the lawn. What was his profit for mowing the lawn?

Julia exercises at the gym. For every 3 minutes she spends running, she spends 5 minutes lifting weights Which of the following could be how Julia spends time at the gym? A Run for 10 minutes and lift weights for 12 minutes.

What is 21/28 simplified

What's is the number of 15,409

Which of the following illustrates the truth value of the given statements? 5.3 = 15 or 7 + 5 = 20