Answer:
8x+10y cannot be simlified because they do not have a common variable
so until you find the value for x and y u cannot simplify
F distribution test
Step-by-step explanation:
He would use the F distribution test. This test is used in comparing the variances of two categorical variables if they are equal. The null hypothesis is rejected if after carrying out the test the results states otherwise.
1/5 = 0.20
0.22 = 0.22
19% = 0.19
so, 19% is the smallest
£59.25
17²-8²=225
√225=15
1/2(12+20)×15=240m²
240÷100=2.4
3×19.75=£59.25
Ok so im not to sure but I think its 40.62 but i could be wrong since it was worded odd
Step-by-step explanation