Best answer gets !
liam and tehya are trying to determine whether δabc and δefd can be proven congruent through rigid motions.

liam says that δabc ≅ δefd because δabc can be reflected over the y-axis to create δefd.

tehya says that δabc ≅ δefd because δabc can be rotated 90° clockwise about the origin to create δefd.

who is correct?

liam only
tehya only
both liam and tehya
neither liam nor tehya

93.8

step-by-step explanation:

lets say, first number = x

second number = 3x+7

total = 49

(x)+(3x+7)= 49

4x+7 = 49

4x = 42

x = 42/4

x= 10.5

x= 10.5

3x+7 = 3(10.5)+7 = 93.8

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the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

(x+3)(x+7)

step-by-step explanation: