Find a whole number solution that makes the following true
a.) divisible by 2 and 3 but not 6
b.) divisible by 5 and 10 but not 2

The graph below could be the graph of which exponential function?

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Can someone me with this problem i don't understand i need