Answer:
x = 30
Step-by-step explanation:
well the two agnles are congruent so they have to equal the same angle
x+ 90 = 4x
solve for x bye subtracting x from 90
90 = 3x slove by dividing 90 by 3 getting x alone
90/3 = x
Answer:
Step-by-step explanation:
What is the slope please
C=5/9(F-32) 5/9 =1.8 32-32= 0* 1.8 = 0 32F= 0Celsius 40-32=8* 14.4 40F= 14.4 CTemperature between 0-14 degrees Celsius

solve for "a", to see what Africa's population will then be
Answer:
I'm not completely sure but try either 3x - 7
or 3 - 7x
Step-by-step explanation:
Hope one of them helps!