Answer:
B. 7√10.
Step-by-step explanation:
√40 = √4√10 = 2√10
√90 = √9√10 = 3√10
So √40 + 2√10 + √90
= 2√10 + 2√10 + 3√10
= 7 √10.
Write the equations:

Substitute for h:

Solve for s:

There were 280 downloads of the standard version. There were 1120 downloads of the high-quality version.
60% bECASUE YOU STARTED WITH 4 AND WENT UP TO 10. iF YOU ADDED A ZERO TO MAKE IT 40 TO 100 THEN THE CHANGE IS +60%
Answer: the answer is m-5
.25 divided by 3 is 0.08333333333