Find all solutions in the interval [0, 2pi). tanx+ secx =1
a) x=pi/4
b) x=0
c) x=5pi/4
d) no solution

How many grams must be adde to 970g to make 1 and a half kg

Can some one me with these questions

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?