18a is correct, 18b is incorrect, 18c is correct, 18d is false, 18e is false, 18f is true, 19 is incorrect.
Answer:
Step-by-step explanation:
1.
sin R=15/39=0,3846
R≈23°
2.
tan 52°= 1,2799
This is the answer for your question. This is the right method! Good luck
Answer:
5, 1 , -3 ,-7
Step-by-step explanation:
When x = -1
y = - 4 * (-1) + 1
= 4 + 1
= 5
When x = 0
y = - 4 * 0 + 1
= 0+ 1
= 1
When x = 1
y = - 4 *1 + 1
= - 4 + 1
= - 3
When x = 2
y = -4 * 2 + 1
= - 8 + 1
= - 7
The dimensions would be 10 square units by 8 square units
