The distance from the earth to Mercury is approximately 57,000,000 miles. Express this distance in scientific notation.

A group of 7 campers has four hours to hike to a lighthouse and back before sundown. The lighthouse is 28 m high. It is located 12 km from camp. How fast do they have to walk?

What is the definition for "median?" A The number that occurs most often in a set. B The average of a set of numbers. C The middle number of a set when arranged in value order. D The difference between the greatest and the least values in a set.

To have a batting averages of over 0.500, how many hits in 45 times at bat would Raul and Karen need?

A clothing designer uses $3 worth of fabric for each shirt she makes, and she sells each shirt for $15. She also spends $44 on supplies needed to make the shirts. How many shirts does she need to sell to earn a profit of $100

Which three lengths could be the length of the sides of a triangle? 1: 6cm, 10cm, 9cm 2: 8cm, 4cm, 2cm 3: 7cm, 7cm, 34cm 4: 10cm, 25cm, 15cm

y = x2 - 6x - 8 Complete the square in the quadratic equation in order to write the equation in vertex form.

Bonnie earned scores of 90 and 82 on her math tests. what score must she earn on her third test to keep an average of 84 or better?

How do i factorise this equation a²+7a+12

A merchant marks his wares 40% more than the real price and allows 20% discount. His profit is? a) 20% b) 18% c) 16% d) 12% e) None of these

Graph this solution x < 4