This can be solved algebraically. Before we start, as context, to find a percentage you multiply by the percentage/100.

This tells us that 90 is
120% of 75. However, your question wants us to find the <em>increase</em>, therefore we don't need that 100.
Therefore, the increase is
20%.
Answer:


And the confidence interval for the difference is between:

Step-by-step explanation:
We have the following info given:
sample mean for medium Pizzas from Prim's
sample mean for medium Pizzas from Pizza Place
sample deviation for Prim's
sample deviation for Pizza Palca
sample size selected for each case
The confidence interval for the difference of means is given by:

And for the 95% confidence we need a significance level of
and
, the degrees of freedom are given by:

And the critical value would be

And replacing we got:


And the confidence interval for the difference is between:

SIx boys can eat seven (7) hotdogs in six (6) minutes.
Answer:
32
Step-by-step explanation:
We can ignore Piroxicam, because it comes in capsules.
1. Number of Glucotrol tablets
Marilyn takes one tablet per day.

2. Number of Isoniazid tablets
Marilyn takes three tablets per day.

3. Total tablets
Total tablets = 8 tab + 24 tab = 32 tab
Marilyn takes 32 tablets in eight days.
C. Region D
Step-by-step explanation:
Just plug the equations into desmos the calculator will graph it and show you with colors where the solution is.