Given:
total = 750
ratio = 7 : 8
We need to get the ratio of the number to its total
7 + 8 = 15 ; 7/15 and 8/15 is the ratio of the number to its total.
We multiply these ratio to the total of 750
7/15 * 750 = 350
8/15 * 750 = 400
7:8 is equal to 350:400
Answer:
she attended 25 classes
Step-by-step explanation:
when you do this you subtract the annual fee of $100 from the total payment $225 which leaves you with $125 then you divide it by The fee for each class Which is $5 so you get 25 classes
The rejection region is give by

where the test statistics is given by

i.e.

Thus,

Using the statistical table, the level of the test is 0.04.
45 goes into 144, 3 times
Answer: If I was doing this correctly from last year I think the answer would be b = 4
Step-by-step explanation: