How to find the sides of a 30 60 90 triangle?

If f (x) = x² + x - 4, evaluate f (2i). Can anyone show a step by step process to get the answer?

Which mathematical property is shown by the statement? (4y - 9) - 7 = 4y. (9.7) Commutative property of addition Commutative property of multiplication Associative property of multiplication Associative property of addition

A trapezoid has a height of 5.5 mm with bases of 8 mm and 2.4 mm. Draw a visual of the trapezoid, state a formula, and find the area of this trapezoid.

Irian bought 2 songbooks and a new guitar. Each songbook cost the same price. The guitar cost $250.10. Before tax, she spent a total of $301.80. Write an equation and solve for the cost of each songbook.

What is the slope of 400 and 32

Which relation is a function? A. (3,4), (3,3), (1,2), (1,5) B. (3,4), (2,4), (5,1), (3,5) C. (1,3), (2,6), (3,9), (4,12) D. (1,4), (1,3), (1,2), (1,1)

The cost of a video game is $29.95 sales tax is 6% about how much will the video game cost including tax

A bouquet of flowers costs $17.95. If a customer has a coupon that allows him to save $3.75 on the price of the flowers, how much will he pay for the flowers?

The sum of two numbers is 24. One number is 8 less than the other number. let x and y be the two numbers. What are the two numbers.

How to define trigonometric ratios