Calculate the area of the shaded sector to the nearest tenth.

diagram can be shown here:

2.1

8.2

8.4

8.3

Find the value of x. give reasons to justify your solutions! c ∈ ae

Finding tbe values of the variables in each kite

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.