How do I expand this?

2 (x+6) (x+1)

When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 16.8g of carbon were burned in the presence of 59.9g of oxygen, 15.1g of oxygen remained unreacted. What mass of carbon dioxide was produced?

the circumference of a circle c with a radius of r units is approximately given by the linear equation C=6.3r. Find two solutions of this function. Explain the solutions.

Depending on the cycle, washing a load of clothes takes from 22 to 28 minutes. Diying takes an additional 20 to 30 minutes. What are the woun and maximum total times to complete a load of laundry?

If the value of my home has tripled since I bought it, that means its relative change in value is 300% true or false

What is the GCF of 70 and 56 is

Write the slope intercept form of a line that passes through (3, - 2) and is 1 to y = x + 3.

aliana uses beads that are 5/4 inches long to make necklaces. she uses 3 beads all togehter. how many inches of beads will aliana use for her necklace?

Joe has eaten 2/5 of a pizza. Jane has eaten 1/3 of a pizza. How many times more pizza has joe eaten than jane?

Pens cost $p exercise books cost $b. Write an algebraic expression that represent the cost of purchasing 20 pens and 8 exercise books.

3) What radius of a circle is required to inscribe an equilateral triangle with an area of 270.633 cm2 and an altitude of 21.65 cm? (round to nearest tenth) A) 10.8 cm B) 14.4 cm C) 15.4 cm D) 16.4 cm