Heidi a jewelry salesperson earns a commission of 55 every time she sells a diamond ring how many rings does she have to sell to earn 605 choose the question that correctly calculates the amount

Find the magnitude and direction angle for the vector v=6cos137degrees i+6sin137degrees j. A.) 6,137 degrees B.) 6,43 degrees C.) 6squareroot of 2, 43 degrees D.) 6squareroot of 2, 137 degrees

A closed container has 4.02 ⋅ 1023 atoms of a gas. Each atom of the gas weighs 1.67 ⋅ 10-24 grams. Which of the following shows and explains the approximate total mass, in grams, of all the atoms of the gas in the container? 6.71 grams, because (4.

Solve for x: 0.25x+0.1x=9.8

In the diagram, all measurements are in centimetres. The lengths of the side of the quadrilateral are 2r+5, 2r, 4r-3 and r. Find an expression, in terms of r, for the perimeter of the quadrilateral. Give your expression in its simplest form.

Write three fractions that are equivalent to 1/2 Use a diagram to show how you know you are right.

8-0.3k=8 (Simplify your answer)

A regular convex polygon has 14 sides. What is the sum of the measures of the interior angles?

2 gallons of juice shared among 9 people

Solve for y - 11y-8+3y=24

Doughnuts at one shop cost £1.40 each. Doughnuts at a second shop cost 15% more. What is the difference in the cost of doughnuts at the two shops?