Which of the following shows the less amount from the original value? a. Gadget of 5000 with 5% discount price

b. Mr Smith bought a leather bag for £25 and sold it for £45.

c. A calculator marked £8.50 and Mr Smith pay 15% VAT for this item.

d. Mr Smith sold of £875 for furniture with a gain of 6%.

and explain why.

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

X+y=-4 x-y=2 use elimination with adding and subtraction

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?