Answer:
Simple sum. The symbol Σ (sigma) is generally used to denote a sum of multiple terms. This symbol is generally accompanied by an index that varies to encompass all terms that must be considered in the sum.
Answer:
it's c
the slope is 5/2 and the y intercept is 10
Answer:
124 tiles
Step-by-step explanation:
2(20+40)
2(60)
120+4=124
Answer:
Step-by-step explanation:
orginal :$240
new/sale: $180
Percentage of Change:
(V2−V1)|V1|×100
=(180−240)|240|×100
=−60240×100
=−0.25×100
=−25%change
=25%decrease