PLZ Help! Given
\qquad \overline{BA}\perp\overline{BD}
BA
⊥
BD
start overline, B, A, end overline, \perp, start overline, B, D, end overline
\qquad m \angle CBD = 4x + 52^\circm∠CBD=4x+52
∘
m, angle, C, B, D, equals, 4, x, plus, 52, degrees
\qquad m \angle ABC = 8x - 10^\circm∠ABC=8x−10
∘
m, angle, A, B, C, equals, 8, x, minus, 10, degrees
Find m\angle CBDm∠CBDm, angle, C, B, D:

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What is 74 round to the nearest ten