Answer:
f(x)= -105
Step-by-step explanation: -(-7)
+(8)(-7)
=-49+(8)(-7)
=-49+-56
=-105
Answer:
Q2.the 2 angles of the isoceles trapezium are 1050 and 750,find the other 2 angles.
Step-by-step explanation:
a(n) = a +(n-1)d
d=1/4 -1/2 =-1/4
°.° a(15) = 1/2 +(15–1) -1/4
a(15) = 1/2 -3.5
=<u>-3</u>
<u>hope it will help</u>