a. 2⁄5 = 0.4 = 40%
b. 7⁄20 = 0.35 = 35%
c. 11 1⁄16 = 6.9375 ≈694%
d. 141⁄4 = 35.25 = 3525%
Answer:
- 1.9f - 18
Step-by-step explanation:

Answer:
x= 1 or x= 1.56 (3 s.f.) or x= -2.56 (3 s.f.)
Step-by-step explanation:
Please see attached picture for full solution.
Answer:
-55
Step-by-step explanation:
2nd term=> -1 + -2 × (2 - 1)
3rd term=> -1 + -2 × (3 - 1)
:
28th term=> -1 + -2 × (28 - 1)
=> -1 - 54 = -55
Answer:
-6
Step-by-step explanation:
(1-3)(1+2)=-2*3=-6