Alpha and bettas are acute angles, ѕіn a = 3/5, cos b =1/2 then what is the value of cos(a + b) =?

Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)