Simplify using distributive property and combining like terms

-2 (-6+5k) - 1

A chemist recorded the change in temperature of a cooling liquid as - 25.5°f over a 1.5 minute period. the temperature fell at a constant rate. what was the rate of change in temperature?

What type of figure must a quadrilateral be if its diagonals bisect each other?

A stadium has two sponsorship deals. Deal A had revenue of $100,000 and expense of $10,000. Deal B has revenue of $50,000 and expenses of $20,000. What is the stadium's average profit as a percentage of revenue on these two deals?

Which set of line segments could create a right triangle 15,30,35 15,36,39 15,20,29 5,15,30

Dr. Manion a mixed 9.357G of chemical A, 12.082g of chemical b, And 7.502 G of the chemical c to make5 doses of medicine.

Which ratio is equivlant to 3:4

A bag contains 8 red, 4 blue, and 4 yellow marbles. What is the probability of randomly choosing 2 blue marbles without replacement? Write your answer as a decimal. Round to the nearest hundredth if needed.

Draw three dimes 1 nickel and 2 pennies. Describe how to count on to find the total value of this group of coins

14.6x+44.9-11.8x-11.1

How many feet are 10 yards?