Answer:
22
Step-by-step explanation:
Answer= 39
Explanation:
the angles of a triangle must add up to 180°
Let’s call the missing value x
90°+51°+x°=180°
x=180-141
x= 39
Answer: Beacause 2 triangles make a square
Step-by-step explanation: 2 triangles make a square so it must be the same with numbers? -an 8th grader(me) [lol i'm not that smart]
He could have 9, 18, 27, 36, 45, 54, 63, or 72 seashells.
Answer: $(d-3c)
Step-by-step explanation:
Total amount Tina had = $d
Cost of cupcakes = $c
Number of cupcakes purchased = 3
Therefore,
Total cost of cupcakes = cost per cupcake × number of cupcakes
Total cost of cupcakes = $c × 3 = $3c
Amount left after cupcake purchase:
Total amount Tina had - total cost of cupcakes :
$d - $3c
