Earth is approximately 4.54 * 10^9 years old. Humans are thought to have evolved around 2.5 * 10^5 years ago.

For what percentage of the age of the Earth have humans been present? Give your answer to 3 s. f

Write the equation of the sine function with amplitude of 8.5, standard period, phase shift of 90°, and a vertical shift of 12.

Which expression can be used to find the surface area of the following triangular prism? Triangular prism 3 3 4 4 5 5 11 11 Choose 1 answer: A) 12+55 B) 6+6+33+44+55. C) 6+6+55+55+55. D) 12+12+33+44+55

Mr. Harrison has $416 to spend on supplies for his classroom. He will buy a bookshelf and some books. The bookshelf costs $80. He will buy books that cost $4 each. Write, then solve an inequality to find the number of books (b), at most, that Mr.

how do i find the area of a trapezoid with the bottom base of 28cm, height of 16cm and top base of 14cm?

Jin and her friend baked 120 cupcakes for a bake sale: Each cupcake is covers with one frosting. •2/5 are topped with chocolate frosting •1/8 are topped with strawberry frosting •1/10 are topped with cream cheese frosting •the rest are topped with

A truck is carrying grapefruit juice, mango juice and orange juice bottles in a ratio of 1:1:7. If there are 105 orange juice bottles, then how many juice bottles in total are there? Add an explanation

14/8 as a mixed number

If each side of a regular pentagon equals 4 feet, what is its permiter

Classify the following triangle as acute, obtuse, or right. 30° 249 126

The function f (x) = x? has been translated 9 units up and 4 units to the right to form the function g (x). Which represents g (x) ? g (x) = (x + 9) 2 + g (x) = (x + 9) 2 - g (x) = (x - 4) 2 + • g (x) = (x + 4) 2 + 9