How many of an alloy that is 40% copper should be mixed with 600 ounces of an alloy that is 80% copper in order to get an alloy that is 70% copper ounces

What is the next term of the geometric sequence? 24, 12, 6,

Writing Probability as a Fraction Tom put 4 yellow marbles, 2 blue marbles, 6 red marbles, and 5 black marbles in a bag. 1. Find P (yellow). 2. Find P (blue). 3. Find P (black). 4. Find P (red).

If it has rained 2 of the last 5 days, what percent of the total days did it rain?

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. Day 1 is Sunday and Day 7 is the following Saturday.

Minneapolis, Minnesota and Portland, Oregon have very similar latitudes. The histograms below show the daily high temperatures that were recorded during July 2013 in each city.

11x+7y=49 in y=mx+b format

How do you factor 30k^2+38k+12?

Find two square roots of 81

Classify the following as Linear or Quadratic. Then identify the quadratic, linear, and constant terms. x + 2x (x-3)

The number of dogs are at the shelter is a two digit, odd number. it is more than 80. The tens digit is less than the ones digit. the sum of the digits is 17 how many dogs are in the shelter