Help and explain cause i’m dumb :)

$25.25

Step-by-step explanation:

Since one bone costs $2.95 each and Mrs. Lawrence bought 5 you are going to multiply $2.95 * 5 and get $14.75. Then since one bag of treats costs $10.50 you are going to add $14.75 + $10.50 to get a total of $25.25

step-by-step explanation: a reaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:

the amount you'd have after the work is $1.55

step-by-step explanation:

you subtract 95% from $31.