Depending on the type of triangle for an acute triangle I'd say b if an right c and if its obtuse d
The answer is 400 not 435 only the 4 is 400
<em>Greetings from Brasil...</em>
From potentiation properties:
Mᵃ ÷ Mᵇ = Mᵃ⁻ᵇ
<em>division of power of the same base: I repeat the base and subtract the exponents</em>
In our case
3² ÷ 3⁴
3²⁻⁴
<h3>3⁻²</h3>
We also know about another property: P⁻ⁿ = (1/Pⁿ) so
3⁻² = 1/3²
<h2>1/9</h2>
7.2(2.8r - 4.5s) + 9.34r - 1.25s DISTRIBUTE 7.2
20.16r - 32.4s + 9.34r - 1.25s COMBINE LIKE TERMS
29.5r - 33.65s ANSWER
