Sorry i only know questions one and two but
for question one 4/10 and 40% (i just converted the fraction to a decimal)
same for question two but its 6/10 and 60%
there are 10 letters in courageous
Answer:
a = 16
Step-by-step explanation:
The altitude YB is at right angles to the base XZ , then
∠ YBZ = 90° , so
6a - 6 = 90 ( add 6 to both sides )
6a = 96 ( divide both sides by 6 )
a = 16
