Use a direct proof to show that the product of two odd numbers is odd.(b) prove that there are no solutions in integers x and y to the equation 2x2 + 5y2 = 14.(c) prove that the square of an even number is an even number using (a) direct proof, (b) an indirect proof, and (c) a proof by contradiction. q. 2. maximum score = 25 (parts (a) 9 points, part (b-i

c

c

c

c

c

c

c

cc

c

step-by-step explanation:

the answer would be 44.79

plz mark brainliest

step-by-step explanation:

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true