a and b are complementary. the measure of a is 42 more than 3 times the measure of b. Find a and b. HELP 100 POINTS FOR ANSWER

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?