Which expression can you substitute for y in -2x + 2y = 8 to solve the system below [-2x + 2y = -8
[2x + y = 5​

Find the missing factor. write your answer inexponential form.9^2=9^4×

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6