Answer:
-60% decrease
Step-by-step explanation:
60 is the old value and 24 is the new value.
percent change =
x 100%
so for this problem, you can substitute the values given in the formula:
percent change =
x 100% =
x 100% =
-60% (decrease)
Answer:
Is there a multiple choice?
Step-by-step explanation:
Answer:
-2x-10
Step-by-step explanation:
just distribute the -2 :)
You're assuming that this data set represents all of Mrs. Hassaan's pupils. Certain students could be missing from the histogram - for instance, there could be one or two students who missed the test, but for certain reasons will be taking a make-up exam. Their grade would not be recording in this data set, but they still contribute to the class size, and so would be unaccounted for here.
Answer is 13a + 2b multiply everything in the parenthesis by 2 so 2 x b is 2b and 2 x 5a is 10a so 3a + 10a is 13a + 2b