Evaluate the expression if x=2 and y=4
4x+3y
a.20
b.21
c.15
d.13

765238725478629038640962136509762139056074

step-by-step explanation:

64087235609746097215074621039754021037

x:       y:  

-1         4

0         4

1         6

2         18

3         20  

m∠abd = m∠dbc

step-by-step explanation:

given : ab bisects ∠dbc

as we know that bisection means ab divides   ∠dbc   in two equal angles named as   ∠dba and   ∠abc

so, m∠abd = m∠dbc  

because ab bisects ∠dbc.

hence , the first statement m∠abd = m∠dbc is true.