Barb's shopping basket has items costing $7.90, $3.75, $4.15, and $4.20. what should barb do to estimate her total cost. a. multiply $4 by 4. b. multiply $3 by 3 and add $8. c. multiply $4by 3 and add $8. d .add the exact amounts and round up the total. me

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?