Write the word expression in mathematical symbols. the value in cents of 4 quarters and x dimes is
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For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality