Answer:
60°
Step-by-step explanation:
since angle on straight line is 180° you take the sum of the exterior angle of R and its interior angle then divide both sides by the coefficient of y to find y then things get easier from there
Answer:
Sydney is 42 years old
Step-by-step explanation:
57 - 15 = 42
should be 2^3*3 because:
24=12*2=3*2*2*2, so 2^3*3
Answer is 16.
All you have to do is plug in 4 wherever there is an x.
Explanation: 2x^2 - 5x + 4 ——> 2(4)^2 - 5(4) + 4 ——> 2(16) - 20 + 4= 16
Answer:
Step-by-step explanation:
(6x + 2)° + 42° + 58° = 180°
6x + 2 = 180 - 100
6x = 78
x = 13