Can somebody help me solve the problem .

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

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41