Answer:
4a + 20
Step-by-step explanation:
Using the distributive property, multiply each term in the parenthesis by 4
4(a + 5)
= (4 × a) + (4 × 5) = 4a + 20
Answer:
Step-by-step explanation:
The number of ways that you can draw 2 balls without restriction is 10 * 10 = 100
Two balls will give you 2 or less (meaning 1) or 2*2 = 4
Four ways are possible
2 and 2
2 and 1
1 and 2
1 and 1
4/100 = 1/25 is the probability of making this happen.
The rectangle has 2 lines of symmetry
Answer:
probably 2.5/d
Step-by-step explanation:
my mathematical teacher
Answer:
6 : 23
Step-by-step explanation:
