If m∠a = m∠b and m∠a + m∠c = ∠d, then
m∠b + m∠c = ∠d. which property is shown?
a) reflexive property
b) substitution property
c) symmetric property

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

If chord ab is congruent to chord cd, then what must be true about ef and eg?