Reflect the point (-20,4)
a)across x-axis
b)across y-axis
c)across y=-x
d)across y=7

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

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.

Asap will give brainiest to first person to answer what is the measure of angle b in the triangle? enter your answer in the box. m∠b=