Cubic and binomial. Because highest degree is 3 and 2 terms
Answer: 22.8 ft. squared
Step-by-step explanation:
5.7 x 8 = 45.6 ÷ 2 = 22.8
area of a triangle = base x height ÷ 2
Answer:
2.) 
1.) 
Step-by-step explanation:
![{5}^{2} - 3[5] + 5 = h(5) → 25 - 15 + 5 = h(5) → 15 = h(5) \\ \\ [-3]^{2} - 3[-3] + 5 = h(-3) → 9 + 9 + 5 = h(-3) → 23 = h(-3)](https://tex.z-dn.net/?f=%7B5%7D%5E%7B2%7D%20-%203%5B5%5D%20%2B%205%20%3D%20h%285%29%20%E2%86%92%2025%20-%2015%20%2B%205%20%3D%20h%285%29%20%E2%86%92%2015%20%3D%20h%285%29%20%5C%5C%20%5C%5C%20%5B-3%5D%5E%7B2%7D%20-%203%5B-3%5D%20%2B%205%20%3D%20h%28-3%29%20%E2%86%92%209%20%2B%209%20%2B%205%20%3D%20h%28-3%29%20%E2%86%92%2023%20%3D%20h%28-3%29)
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Answer:
16,-8
Step-by-step explanation:
jk=12
j lies at 4
k lies at 4+12=16
or k lies at 4-12=-8