Answer:D
Step-by-step explanation:
23 + d = 71. ———————————————————-
Answer:
580
Step-by-step explanation:
because you square the area and identify
1/6* (15a+20b)
= 1/6* 15a + 1/6* 20b (Distributive property)
= 2.5a + 10/3*b
The final answer is 2.5a+ 10/3b
Hope this helps~