Evaluate the algebraic expressions for the given values of each variable.
r + s2 at r = 4, s = 1
i think it's 6 ,am i correct?

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?