Calculate the length of the circumference of a circle with a radius of 4 cm. (1 Dp)

What is the equation of the parabola with focus (1,6) and directrix y=1

Lana Powell has cumulative earnings of $110,000 at the end of September. In the first week in October she earns $2,000. The amount deducted for Social Security and Medicare from her check is (assume Social Security rate of 6.

Given 6 terms what is the sum of 10+25+40 + ... + 85

What type of coordinate system are polar equations graphed in?

Circular lawn has a row of bricks around the edge the radius of the lawn is about 20 feet which is the best estimate for the area of the grass in the long use 3.14 for pie select one 125 ft 125 square ft 1250 ft 1256 square feet

On a spinner there are 10 numbers. What is the probability that the spinner will land on a 5 in two successive (two in a row) spins?

Mrs. Barry has 27 watches on display her store. Mr. barry says that she can make only 1 row with all 27 watches. Is mr. Barry right? Explain

There are 16 boys and 12 girls in the spanish club. four more boys joined the spanish club if ratio of boys to girls did not change, how many girls joined the spanish club?

There are 9 red and 6 green marbles in a bag. A child reaches in the bag and randomly takes one marble. What is the probability pf that child getting a green marble

Write these values in order, starting with the smallest. 72%, 0.6, 21/25, 0.75, 1/2