Simplify the expression by removing symbols of grouping and combining like terms. 7(2s − 1) + s + 5

Which of the following is true for the relation f(x)=2x^2+1

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?