Evaluate y = 9 * (5/2)^x for x = -3. a) 0.036 b) -15.625 c) 0.576 i need this answered asap, !

Find the given elements if matrix d:

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

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 .