After 5 years the simple interest earned on an investment of $3,000 was $645. find the interest rate. 4.3% 4.2% 4.4% 4.5%

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

The trigonometric ratios sine and secant are reciprocals of each other

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details