Solve this inequality: 7x + 2 > 30

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.

How can constraints be used to model a real-world situation?