A hillside is inclined at an angle of 30 degrees with the horizontal. how much altitude has mary gained after hiking 40 meters up the hill?

What polynomial could you add to 3x^4-9x^3+5x^2-x+7 to get the sum of 3+4x^4+3x-x^3+3x^2?

Dave has $11 to spend on a $6 book and two birthday cards (c) for his friends. How much can he spend on each card if he buys the same card for each friend?

A circle has an area of 49Tt square units. What is the diameter of the circle? 7 units 14 units 28 units 3.5 units

Charles signs up for cell phone Plan A. The starting fee is $20 and she pays $15 each month. Sam signs up for Plan B. The starting fee is $50 and he pays $10 a month. After how many months do the 2 plans cost the same amount?

The functions s and t are defined as follows. s (x) = 3x-4 t (x) = -5x+3 Find the value of s (t (-1)).

Y=|x-3|+|x+2|-|x-5|, if 3

The distance between Mike's house and the grocery store is 4/5 of a mile. Mike has walked 1/2 of a mile from his house to the grocery store. How much farther does he needs to walk to reach the grocery store? A. 13/10 miles B. 3/4 of a mile C.

List all the number sets that include sets that contain the number - 8. A: integers only. B: Integers and rational numbers. C: Integers and natural numbers. D: Integers, rational numbers, and natural numbers.

draw the following lines and then write an equation for each. a. Slope is 0, y-intercept is 5. b. Slope is 2, y-intercept is - 1. c. Slope is - 2, y-intercept is 1. d. Slope is - 1/2, y-intercept is - 1.

Nine times the sum of a number and 3 is 2