A researcher measures 200 counts per minute coming from a radioactive source at noon. At 3:00pm, she finds that this has dropped to 25 counts per minute. What percentage of the original source will remain at 6:00pm?

The chorus club has a budget of at most 450 for a field trip to see a musical. there are 15 members in the house club. the total transportation cost for all the members will be 60.

Which step could be used to solve x + 3.6 = - 1.7 for x in one step? Check all that apply. [ ] add 3.6 to both sides [ ] add - 3.6 to both sides [ ] add 1.7 to both sides [ ] add - 1.7 to both sides [ ] subtract 3.6 from both sides [ ] subtract 1.

Consider the angles: 30°,30°, x°. For which value of x do the three angles form a triangle? x=30 x=45 x=60 x=120

Find the equation of the circle whose center and radius are given. center (5,6), radius = 3

A company purchases shipments of machine components and uses this acceptance sampling plan: Randomly select and test 20 components and accept the whole batch if there are fewer than 3 defectives.

For every 4 feet of fencing, the cost is $36 2 4 7. 10 8 36 81

The difference between the two square roots of a whole number is about 5.3 what is the number

Is x+y=6 a direct variation? Why or why not?

What does 5^3 mean or symbolize?

Which of the following figures has a pentagon as its base? A cube B pentagonal prism C triangular prism D rectangular prism