Solve for x
70°
*
20
triangles

x = 90°

Step-by-step explanation:

a triangles angles are equal to 180°

so if we have one that is 70° and one that is 20° what s x?

70° + 20° = 90°

180° - 90° = 90°

x = 90°

bru

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