(No scam answers or links, ty.) Is the following expression a monomial, binomial, or trinomial? 2a^2 - 5a + 7

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o