In a group of 120 people, 90 of them are 30 years old or older. Everyone else in the group is younger than 20 years old. If a person is selected at random, what is the probability the person is less than 20 years old

Which expressions are equivalent to x+x+x+2 Choose 2 answers: Choose 2 answers: (Choice A) A 3x + 23x+23, (Choice B) B 3 + 2x3+2x3, (Choice C) C 3 (x+2) 3 (x+2) 3, (Choice D) D 2 (x+1) + x2 (x+1) + x2 (Choice E) E 5x5x

11/8a+5/4a=18 cuanto es?

Will give brainliest and 99 pts Which number should each side of the equation 23x=1023x=10 be multiplied by to produce the equivalent equation of x = 15? -23-23 1313 3232 3

Use a calculator to find each answer. Round to the nearest tenth. 1.) 8392 - (530+239) 2.) (984.2 - 845) : 5 3.) (1000:14.6) + 8.4 4.) (8392-530) + 539

State the domain and range of the following inverse functions. (a) y = sin^{-1} (x) (b) y = cos^{-1} (x) (c) y = tan^{-1} (x)

A half-mile of road will be marked with a combination of yellow dashes that are 10 feet long and gaps that are 2 feet wide between dashes. How many yellow dashes must be painted on that part of the road? Note: 1 mile = 5,280 feet. 660 220 264 1,320

Naomi drank 3/4 of a 20.8 ounce container of apple juice. How may ounces of apple juice did naomi drink

Do the phases of the moon follow a pattern

How many solutions are there? =n-7

Values of an expression