I’m stupid and have no friends idc anyways can u help I’ll mark brainliest who ever helps me get it correct if it’s not correct comment on any question that is incorrect(I copied and pasted this)

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

Place the following steps in order to complete the square and solve the quadratic equation,

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?