The number pattern would be 8x5 because each starfish has five arms. The answer is 40
The first one is true
<span>4(4a+10) is
</span>16 a + 40 after distribution
The second one is also true
<span>2(8a+20)
16a + 40 after distribution
Third is not true
</span><span>4a(4+10a)
</span><span>16a + 40a^2 after distribution
Last one is also true
</span><span>8(2a+5)
16a + 40 after distribution
Hope this helps :)</span>
21 is 50% of 42.
42 x 0.5 = 21
Answer: $18.50
Step-by-step explanation:
Flour = 2.50
3 CHeese for $3 each
2 mushrooms for $3.50 each
3 * 3 = 9
2 * 3.50 = 7
7 + 9 + 2.50 = 18.5
See each side
-6/3=-2
other side
3/-6=-1/2
-2=-1/2
false, not equal
-8*9=-72
9*-8=-72
-72=-72
equal