Answer:
a is 2.5
b is 1
gradient is rise over run
(-3/8) / (-1/3)
= (<span>-3/8) x (-3)
= 9/8
= 1 1/8</span>
Answer:
0.15
Step-by-step explanation:
Answer:
12x9y9
Step-by-step explanation:
( 4x3y3 ) 3
= 4x ⋅ 3 ⋅ 3y ⋅ 3 ⋅ 3 ⋅ 3
= 12x9y9
Answer:
<h2>-4a²b³ (-6+ 7a³)</h2><h2 />
Step-by-step explanation:
24a²b³ - 28a⁵b³
apply exponential rule:
24a²b³ - 28a²a³b³
re-write 24 as 6*4 and -28 as 7*4
6*4a²b³ + 7*4a²a³b³
factor common terms
-4a²b³ (-6+ 7a³)