La suma de dos números es 21 uno es la mitad del otro. Encontrar los números

Samhir writes down all of the odd numbers between 500 and 700 that are divisible by both 7 and 9. What is the sum of the numbers Samhir writes?

What does a a isolate variable mean?

If a equals 10 feet, B equals 6B, C equals 1 foot, D equals 14 feet, and E equals 2 feet, what is the area of the object?

How many different situations arise when five coins are thrown into the air?

The equation of the graphed line is x + 2y = 5. What is the x-intercept of the graph?

1which ordered pair makes the equation true? 2x-5y=-10 A (5,4) B (-10,4) C (2,5) D (20,4) 2what is the simplified form of the expression 15y-3 (4y+10) A3y-30 B3y+10 C27y-30 D27y+10 3which ordered pair is a solution to the question 4y=

Find the radius of a circle that has an area of 100π ft2

An airline is hiring five flight attendants. If eight people apply for the job, how many different groups of 5 attendants can the airline hire?

An architect builds a scale model of a skyscraper for a land development proposal. The model is 2 ft tall. The scale of the model is 1 in. : 7.2 m. How tall is the proposed skyscraper in meters? Show your work.

So if you have y=1/4x-1 and y = 1/4x+5 what are x and y