A restaurant prepared 86 trays of sandwiches for a large party of 200 guests. Each tray had 34 small sandwiches. How many sandwiches did the restaurant make?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Could someone me with this question i’ve been stuck on it for 20 minutes

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree