Which of these are mathematical sentences? Check all that apply. O

A. b + 41 = 93

OB. + 23

OC. 93

O D. 7y = 49

In a circus a tightrope is stretched from the top of a 10 ft. pole to the top of a 25 ft pole. The poles are 36 feet apart and vertical. How long is the tightrope? Show your work.

Find the solutions (s) to 9x^2-54x=0

Each hat uses 0.2 kilograms of yarn and each scarf uses 0.1 kilograms of yarn. She wants to make 3 times as many scarves as hats and use 5 kilograms of yarn

The sum of two numbers is 56 the difference between the 2 numbers is 16 what is the product of the two numbers

Is a empty set a subset of every set

Person A buys 12 granola bars and 7 cups of yogurt for $15.50. Person B buys 6 granola bars and 11 cups of yogurt for $11.50. Find the cost of each item

What does it equal?

a plumber charges $64 per hour for labor and x dollars for replacement parts. the total bill is $284 and includes 3 hours of labor. How much does the plumber charge for the replacement parts. write an equation

The radius of the planet Uranus is approximately 4 times the size of the radius of Earth. What does this tell you about the volumes of these planets?

Using the calculator, what is the approximate radius of a circle whose circumference is 62.8 inches? A. 10 inches B. 5 inches C. 2.5 inches D. 20 inches